piece being turned for each revolution of work. The

piece revolves at 45 revolutions per minute. How long will it take to turn a length of 94-in. stock in one

operation?

To turn a length of 94-in. stock in one operation on a lathe, it would take 94-in. / 128-in. x 1 revolution/45 revolution per minute = 2.093333 minutes.

please help me with my homework!!

10. The value of a book is $58 and decreases at a rate of 10% per year; 8 years.

**Answer:**

$24.96

**Step-by-step explanation:**

The question was incomplete. If you are asking how much is the book worth after 8 years, here's how to do it

Original cost = $58

Since the rate of decrease = 10%, the cost of the book after 1 year is 90% of the original price

90% = 90/100 = 0.9

Therefore after 1 year, the book cost is 58(0.9)

After another year(effectively 2 years) the above cost will drop by another 10% to 90% of the first year value: 58(0.9)(0.9) = 58(0.9)²

So the value of the book after a period of n years is modeled by the function

V = 58 (0.9)ⁿ

After 8 years the value is

58 (0.9)⁸ = 58 x 0.43046721

V = $24.96 rounded to the nearest cent

Use a graphing calculator to find an equation of the line of best fit for the data. Round the slope to the nearest tenth and the y

-intercept to the nearest integer.

The **equation** of the **line** of the best fit for the data will be, y=2.07x-7.5.

A** mathematical notion** called the line of the best fit connects points spread throughout a **graph**. It's a type of **linear regression** that uses scatter data to figure out the best way to define the dots' relationship.

The **equation** of the line is;

y=mx+c

y=2.07x-7.5

Hence, the **equation** of the **line** of the best fit will be, y=2.07x-7.5

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The length of a shadow of a building is 98 ft when the sun is 66° above the horizon. Find the height of the building. Round your answer to the nearest tenth.

000

000

66°

98

If the **length **of a shadow of a **building **is 98 ft when the **sun **is 66° above the horizon then the height of the building is, 267.7 ft.

An angle is a mathematical term, which we can define, when two straight **lines **or rays meet at a common **endpoint**. The common point is called the **vertex **of an angle. The word angle comes from a Latin word named ‘angulus,’.

Interior angles:- The inner angle made by the intersection of two polygonal sides.

Exterior angles:- The outer angle made by the intersection of two polygonal sides.

We can use the **tangent **function to solve for the height of the building.

tan(66°) = height of building / 98 ft

Solving for the height of the building,

we get:

**height **of building = 98 ft x tan(66°)

Using a calculator, the value of tan(66°) is approximately 2.73.

So,

height of building = 98 ft x 2.73

height of building = 267.74 ft

Rounding to the nearest tenth, the height of the building is approximately 267.7 ft.

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Solve for X

This was on a Geometry Honors quiz

The **value** of x in the **triangle** is 8 units.

Two** triangles** are said to be similar if their corresponding** angles** are congruent and the corresponding sides are in proportion .

Therefore, the sides x of the triangle can be found using **proportion** as follows:

x / x + 8 = x + 8 / 32

cross multiply

32x = (x + 8)(x + 8)

32x = x² + 8x + 8x + 64

x² + 16x - 32x + 64 = 0

x² - 16x + 64 = 0

Therefore,

x² - 16x + 64 = 0

x² - 8x - 8x + 64 = 0

x(x - 8) - 8(x - 8) = 0

(x - 8)(x - 8) = 0

Therefore,

x = 8

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The Jacob family plans to attend a concert. An adult ticket (a) is $7.50 each and a child's ticket (c) is $5.00 each. Mr. Jacob purchased a total of 11 tickets for a total of $65. How many of each kind of ticket was purchased?

Explain how to do please

**Answer: **Therefore, we purchased **4 adult tickets** and **7 child's tickets**.

**Step-by-step explanation:**

**Through the information provided, we set up a system equation:**

a + c = 11

7.50a + 5.00c = 65

**By the first equation, we convert it into a form, then we get a = 11 - c. Then we plug in the a = 11 - c to the second equation:**

7.50(11 - c) + 5.00c = 65

82.5 - 7.50c + 5.00c = 65

82.5 - 2.50c = 65

- 2.50c = 65 - 82.5

- 2.50c = - 17.5

c = - 17.5/- 2.50

c = 7

**And we plug c = 7 back into the first equation, which is a + c = 11.**

a + c = 11

a + 7 = 11

a = 11 - 7

a = 4

Therefore, we purchased 4 adult tickets and 7 child's ticket.

place the following scores in a frequency distribution table. based on the frequencies, what is the shape of the distribution? 13, 14, 12, 15, 15, 14, 15, 11, 13, 14, 11, 13, 15, 12, 14, 14, 10, 14, 13, 15

The **frequency **table is:-

Data Frequency

10 1

11 2

12 2

13 4

14 6

15 5

What is a frequency table?The **frequency **table determines the frequency of the **data**. In other words, it tells us how many **times **the same data is **repeated**.

The given data set is, 13, 14, 12, 15, 15, 14, 15, 11, 13, 14, 11, 13, 15, 12, 14, 14, 10, 14, 13, 15

The frequency table can be written as:-

Data Frequency

10 1

11 2

12 2

13 4

14 6

15 5

The distribution's shape for the next data set you provided is left- or negatively skewed. This is due to the fact that as a number's value increases, so does its frequency.

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What number would correctly replace the G?

40 Would take the spot because

32/4 to get the ratio 8:1 Then 8 multiplied by 5 to get 40 so that is the answer

32/4 to get the ratio 8:1 Then 8 multiplied by 5 to get 40 so that is the answer

help asap pls. question in pic

**the area of the rectangle ** is 1000m² and The expression of the area A(x) = 200x,

What is a **rectangle**?

**Rectangles** are **quadrilaterals** having four right angles in the **Euclidean** plane of **geometry**. Various definitions include an equiangular **quadrilateral**, A closed, four-sided rectangle is a two-dimensional shape. A **rectangle's **opposite sides are equal and parallel to one another, and all of its angles are exactly 90 degrees.

Area of **rectangle **is A = a*b

One side of **rectangle **is 200m

When the measure of the other side is 50 m

the area will be 50*200 = 1000m².

The **expression** of area A(x) = 200x,

hence the area of the **rectangle ** is 1000m² and The expression of the area A(x) = 200x,

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The Serenity and the Mystic are sail boats. The Serenity and the Mystic start at the same point and travel away from each other in opposite directions. The Serenity travels at 14 mph and the Mystic travels at 21 mph. How far apart will they be in 3 hours?

They will be 74 km **apart** after 2 hours.

**What is the relative speed of two moving objects?**

For two objects, the **relative speed** between them equals the change in distance between them divided by the change in time. If two bodies are going in **opposite directions**, their relative speed is equal to the sum of their individual speeds. If they are moving in the same direction, their relative speed is equal to the difference in their individual speeds.

Given here, the Serenity travels at 17 mph and the Mystic travels at 20 mph in the opposite direction .

therefore, the relative speed is sum of their speeds = 17 + 20 = 37 mph

After 2 hours the **distance** between them would be = 37 × 2 = 74 mph

Hence, they will be 74 km **apart** after 2 hours.

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During a 36 - year period, lightning killed 2,457 people in the United States. Assuming that rate holds true today and is constant throughout the year. Find the probability that tomorrow: (a) No one in the United States will be struck and killed by lightning.

The **probability **that no one in the United States will be struck and killed by **lightning **tomorrow is approximately 0.835, or 83.5%.

To find the probability that no one in the United States will be struck and killed by lightning tomorrow, we can use the **Poisson **distribution, which models the number of rare events occurring in a fixed period of time, given the average rate of occurrence.

The Poisson **distribution **has the following probability **mass function**:

P(X = k) = (e^(-λ) * λ^k) / k!

where:

X is the random variable representing the number of **events **(in this case, the number of people struck and killed by lightning)

λ is the average rate of events per unit of time (in this case, the average number of people struck and killed by lightning per day)

We can use the data given in the problem to **estimate **the value of λ:

λ = (2457 deaths) / (36 years * 365 days/year) ≈ 0.18 deaths/day

Now we can use the Poisson distribution to find the probability that no one in the United States will be struck and killed by lightning **tomorrow**:

P(X = 0) = (e^(-0.18) * 0.18^0) / 0! ≈ 0.835

This means that there is a high **likelihood **that no one will be killed by lightning tomorrow, given the historical average rate of lightning deaths.

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What if the well was 40 feet deep, the frog climbs 6 feet per hour, and it slips back only 1 foot while resting for an hour?

If the well was 40 **feet** deep and the frog climbs 6 feet per hour, it would take the frog 40/6 = 6.67 **hours **to reach the top of the well.

However, the frog slips back 1 foot while resting for an hour, so the frog would only have covered 5 **feet **of the well after each hour of climbing. The frog would need to climb for a total of

40/5 = 8 hours

to reach the **top **of the well. Additionally, the frog would need to take 8 hours of rest to make up for the slipping back.

So the total time it would take the frog to get out of the well would be 8 hours + 8 hours = 16 **hours**.

If the well was 40 feet deep and the frog climbs 6 feet per **hour**, it would take the frog 40/6 = 6.67 hours to reach the top of the well.

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What is the answer? How do I solve this?

You solve it using your brain.

Solve for X and Y using substitution

y=5x-7

-3x-2y=-12

**Answer:**

So the solution to the system of equations is (x,y) = (3,-2).

**Step-by-step explanation:**

To solve for x and y using substitution, we can first substitute y=-2 into the second equation to find the value of x, and then use that to find y.

Starting with the second equation:

4x - 3(-2) = 18

Expanding the -3(-2) using the distributive property:

4x + 6 = 18

Subtracting 6 from both sides:

4x = 12

Dividing both sides by 4:

x = 3

Now that we have x = 3, we can substitute that back into the first equation to find y:

y = -2

So the solution to the system of equations is (x,y) = (3,-2).

what is the probability of drawing a black card in a standard deck of 52 cards? (enter your probability as a fraction.)

The** probability **of drawing a black card in a standard deck of 52 cards is 1/2.

Probability of an event is a number that indicates how likely the** event** is to occur. It is expressed as a number in the** range** from 0 and 1. There are total 52 cards out of which 26 are black cards and 26 are red cards.

There are 26 black **cards** (13 spades and 13 clubs) in a standard deck of 52 cards.

Therefore, the probability of drawing a black card from a standard deck of 52 cards is 26/52.

Probability = 26/52 = 1/2

So, the probability of drawing a black card is 1/2.

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12, x, y, 324, 972, find the sum of x and y (a) 144 (b) 52 (c) 75 (d) 109

**Answer: **The value of the sum of **x** and **y **is **(a)** **144**.

**Step-by-step explanation:**

Given, The sequence is a **Geometric Sequence.**

**Initially,**

=> 4x3 , x , y , 324, 324x3

=> 4x3, x, y, 4x3x3x3x3, 4x3x3x3x3x3

From above,

We can deduce that,

=> x = 4 x 3 x 3

=>** x = 36**

Also,

=> y = 4 x 3 x 3 x 3

=> **y = 108**

The values of x and y are 36 and 108

Now, We can evaluate the sum of x and y,

=> x + y = 36 + 108

=> x + y = **144**

Therefore, The sum of x and y is **144**. Hence, **option (a)** is **correct**.

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Ashley created 3 music playlists using a total of 48 rock and pop songs. Each playlist has 9 rock songs. Each playlist also has the same number of pop songs. Which equation could be used to determine the number of pop songs, x

, Ashley has in each playlist?

Responses

1. x(3+9)=48

2. 3(x+9)=48

3. 3x+9=48

4. 9x+3=48

**Answer:**

**2. 3(x + 9) = 48**

**Step-by-step explanation:**

We are given

There are a total of 3 playlistsThere are a total of 48 rock and pop songsEach playlist has 9 rock songsEach playlist has x pop songsIf each playlist has 9 rock songs and x pop songs, then each playlist has **9 + x** songs.

If there are three playlists, there are three playlists which each have **x + 9 **songs. In other words, **3(x+9)**. This represents the total number of songs, which is 48. Therefore the answer is **3(x+9)=48**.

Hope this helps!

2. 3(x+9)=48

Explanation:

Distribute 3 to x and 9 to get 3x + 27 = 48

Subtract 27 from both sides to get 3x = 21

Divide both sides by 3 to get x = 7

That means each playlist has 9 rock songs and 7 pop songs.

Explanation:

Distribute 3 to x and 9 to get 3x + 27 = 48

Subtract 27 from both sides to get 3x = 21

Divide both sides by 3 to get x = 7

That means each playlist has 9 rock songs and 7 pop songs.

2 Gallons of Juice for $4.50. How much per Gallon?

2.25

4.50 divided by 2 is 2.25

4.50 divided by 2 is 2.25

Answer: 2.25 per gallon

Step-by-step explanation:

4.50 divided by 2 = 2.25

Pls help me fast fast

The **sum **of the measures of **angles **A, D, and F is:

A + D + F = 360°

How to find the sum of the 3 angles?First, we know that the sum of the interior angles of any triangle is always equal to 180°, then we can write:

B + C + E = 180°

We also can see that:

A + B = 180°

C + D = 180°

E + F = 180°

Then we can rewrite:

E = 180° - F

C = 180° - D

B = 180° - A

And replace that on the equation above:

B + C + E = 180°

( 180° - F) + (180° - D) + (180° - A) = 180°

Moving the variables to the right side we will get:

3*180° = 180° + A + D + F

3*180° - 180° = A + D + F

360° = A + D + F

That is the sum of the 3 measures.

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A pet toy company performed an experiment to see how

many toys dogs might play with. Each of the 60 dogs

involved was put in a room with its owner and 4 different

toys.

The researchers recorded how many toys each of the 60

dogs used.

Fill in the blanks to complete the probability

distribution.

Do not round your answers.

Toys used

Frequency

Probability .05

0

3

1 2

2

0.25

3

3 4

21 12

9

0.35 0.2 0.15

The corresponding **probabilities **for these outcomes are 0.25, 0.35, and 0.15, respectively.

**What is the probability?**

**Probability **is the study of the chances of **occurrence **of a **result**, which are obtained by the **ratio **between **favorable cases **and **possible cases**.

To fill in the blanks, we need to use the given information to complete the **probability distribution **table.

We can see that there were 3 dogs (out of the 60) that did not use any toys, and the **probability **of a dog not using any toys is 0.05 or 5%. There were 12 dogs (out of the 60) that used 1 toy, and the **probability** of a dog using 1 toy is 0.2 or 20%. Similarly, there were 15 dogs that used 2 toys, 21 dogs that used 3 toys, and 9 dogs that used all 4 toys. The corresponding **probabilities **for these outcomes are 0.25, 0.35, and 0.15, respectively.

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surface area of a rectangular prism with sides of 5,4,3,3.7

Surface area of a **rectangular prism** is 444 square unit.

A rectangular prism is a **three-dimensional shape **with six faces (two at the top and bottom and four are lateral faces). The prism's faces are all rectangular. As an outcome, there really are three sets of exactly equal faces here. A rectangular prism is also recognized as a cuboid due to its shape.

The sides of a** rectangular prism** is 5, 4, 3, 3.7.

This can be calculated by multiplying each of the side lengths together and then multiplying that result by two.

**Surface area **of a rectangular prism = 2 × (5 × 4 × 3 × 3.7)

Surface area of a rectangular prism = 2 × 222

Surface area of a rectangular prism = 444 square unit

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Write a real-world situation and an algebraic expression that is represented by the bar diagram:

The **expression **is there are 2 chocolates and 5 lollypops having a total cost of $5. The expression is 2C + 5L = $5.

**Expression **in maths is defined as the **relation **of numbers variables and functions by using mathematical signs like **addition**, subtraction, multiplication, and division.

Suppose the real-time situation is if there are 2 chocolates and 5 lollypops having a total cost of $5.

The **mathematical **form of the expression can be written as:-

2C + 5L = 5

Here, C is the cost per chocolate and L is the cost of per Lollypop.

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**The complete question is given below.**

Write the expression if there are 2 chocolates and 5 lollypops having a total cost of $5.

Whitney prepared 16 kilograms of dough after working 4 hours. How much dough did

Whitney prepare if she worked for 5 hours? Assume the relationship is directly proportional.

**Answer:**

**Step-by-step explanation:**

**time take for 1 dough = 16kg/4hours= 4kg/hour**

**Dough in 5 hours = 4 x 5 = 20**

**She prepared 20kilograms of dough in 5 hours**

The relationship between the amount of dough and the number of hours Whitney works is directly proportional, meaning that the ratio of the amount of dough to the number of hours remains constant. Let's call this constant of proportionality "k". We can find the value of k by using the information we have:

k = amount of dough / number of hours = 16 kg / 4 hours = 4 kg/hour

Now that we have the value of k, we can use it to find the amount of dough Whitney will prepare after working 5 hours:

amount of dough = k * number of hours = 4 kg/hour * 5 hours = 20 kg

So Whitney will prepare 20 kilograms of dough if she works for 5 hours

k = amount of dough / number of hours = 16 kg / 4 hours = 4 kg/hour

Now that we have the value of k, we can use it to find the amount of dough Whitney will prepare after working 5 hours:

amount of dough = k * number of hours = 4 kg/hour * 5 hours = 20 kg

So Whitney will prepare 20 kilograms of dough if she works for 5 hours

Shape ABCD is a rectangle.

C is the point with coordinates (0,-8)

The equation of the straight line through A and B is 2y + x = 4.

Find the equations of the lines

DC, AD and BC.

**Answer:**

c

**Step-by-step explanation:**

trust me

Solve for n !

[tex] \large{ \gray{ \frak{3x+5= 4(n - 5) \frac{6}{3} }}}[/tex]

Thank You!

**Answer:**

n = (3/8)x+(45/8)

**Step-by-step explanation:**

3x+5 = 4(n-5)*(6/3)

Is this written correctly?

3x+5 = 4(n-5)*(6/3)

3x+5 = 8(n-5) [Simplify: {4*(6/3) = 8)]

3x+5 = 8n-40 [Expand the parentheses]

8n-40 = 3x+5 [Rearrange]

8n = 3x+5 + 40 [Rearrange]

8n = 3x+45 [Simplify]

n = (3x+45)/8 [Divide both sides by 8]

n = (3/8)x+(45/8) [Rearrange]

help me please i actually cant do this

Answer:

a: Angle 1 and Angle 3

b: Angle 8 and Angle 5

c: Angle 2 and Angle 9

d: Angle 5 and Angle 3

e: none of the above

Jerome hiked three-fourths of a mile in two-thirds of an hour. What was his hiking speed in miles

per hour?

2 mile per hour

I

b. 1 miles per hour

C.

mile per hour

d. 1 miles per hour

**Answer as a mixed number = 1 1/8 mph**

**Answer as a decimal = 1.125 mph**

Work Shown:

(3/4) of a mile : (2/3) of an hour

12*(3/4) of a mile : 12*(2/3) of an hour

9 miles : 8 hours

9/8 miles : 8/8 hours

1.125 miles : 1 hour

His speed is 1.125 miles per hour. This converts to the mixed number 1 1/8

Find the roots of the equation

x² − 2(a² + b²)x + (a²-b²)² = 0

**Answer:**

We can solve the above mathematical problem with the following approach.

We know that (a²-b²) = (a + b) (a - b).

So the given equation can be written as:

can ypu please answer this question

**Answer: A=71°**

**Step-by-step explanation:**

A+B+C=180°

A+38°+C=180°

A+C=180°-38°

A+C=142°

142°/2=71°

∴A=71°

∴C=71°

The lines intersect at

1 point.

different. The

parallel.

Do You Understand?

1. Essential Question How are slopes and

y-intercepts related to the number of solutions

of a system of linear equations?

The **slopes **and y-intercepts can be used to **determine **the type of relationship between the lines, and therefore the number of solutions.

**What is linear equation ?**

Linear equation can be defined as the **equation** in which the highest degree is **one**.

The number of solutions for a system of linear equations depends on the relationship between the slopes and y-intercepts of the lines **represented **by the equations. If the lines are **intersecting**, then there is exactly one solution where the lines cross. If the lines are parallel, then there are no solutions, as the lines will never intersect.

If the lines are **coincident**, then there are **infinitely **many solutions, as the lines represent the same line.

Therefore, The slopes and **y-intercepts** can be used to determine the type of relationship between the lines, and therefore the number of solutions.

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an art teacher hhd 2/3 gallon of paint to pour into containers. If he poured 1/8 gallon of paint into each container until he ran out of paint how many containers hhd paint in them including the one that was partially filled

**Answer: 6 containers**

**Step-by-step explanation:**

Fraction division.

2/3 divided by 1/8.

Keep-change-flip. (or a similar method for dividing fractions)

2/3 times 8/1 is 16/3.

He will fill 5 and 1/3 containers, so 6 containers will have paint in them.

(っ◔◡◔)っ ♥

Hope this helps.

MM4343

if the speed of a wave increases to 1.5 times its original speed while the frequency remains constant, how does the wavelength change?
When a lab instructor checked the stockroom, he found 60.0 grams of sodium hydroxide left in the container. What volume (in mL) can he make of a 0.25 M solution?to find percent by volume: [tex]\frac{volume of solute (mL)}{volume of solution (mL)}[/tex] X 100 to find Molarity: [tex]\frac{moles}{liters}[/tex]
he following diagram shows the branching tree diagram for some animals.A slanting line is shown. There are five lines drawn vertically on this line at equal intervals. Shark, Frog, Kangaroo, Lion and Chimpanzee are written on top of each vertical line in order from left to right. Common Ancestor is written on the left end of the line. There is a black circle between each pair of these vertical lines. The first black circle is before Shark and says Vertebrae. The second black circle is between Shark and Frog and says Lungs. The third black circle is between Frog and Kangaroo and says Mammary gland. The fourth black circle is between Kangaroo and Lion and says Placenta. The fifth black circle is between Lion and Chimpanzee and says Large brain.Which two organisms share the greatest number of derived characteristics? Frog and kangaroo Kangaroo and chimpanzee Lion and chimpanzee Shark and chimpanzee
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An air mattress is filled with 0. 55 moles of air. The air inside the mattress has a temperature of 295 K and a gauge pressure of 3. 5 kilopascals. What is the volume of the air mattress?
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a Which equation represents a line that passes through (-2, 4) and has a slope of 2/5?
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The seven-step Anti- procrastination plan. Three sentences each step please
n which of the following examples does a vitamin or mineral function as a cofactor? (Select all that apply.)a. Hydroxylase enzymes require vitamin C during collagen synthesis.b. Calcitriol, a form of vitamin D, regulates calcium levels in the blood.c. DNA polymerase requires zinc to replicate DNA.d. Ribosomes require lysine to construct proteins.
Q5: Maynard, Joan, Jaco, and Neil are trying to form a band. They each have some basic skills on most instruments, so their current plan is for each of them to rotate among vocals, guitar, bass, and drums. After a year of practice and rehearsals, the band still sounds awful. Maynard can\'t keep a steady beat when on bass or drums, Jaco sounds terrible at everything except the bass, nobody except Joan can remember all the chords on guitar, and even Neil\'s own mother thinks his singing sounds like a dying cow. At their current rate, they expect it will be several years before they are good enough to land their first paid performance. None of them have enough money saved up to last that long. They all know you are taking economics and ask your advice. What would you say to them?1- Continue with the current plan, as economies of scale should eventually kick in.2- Have each member specialize in the role that they are best in, to take advantage of benefits from specialization.3- Abandon the band, as continued practice is doomed to suffer diminishing marginal returns.4- Invest their remaining savings in new instruments, as they are at a point where the marginal product of capital exceeds the marginal product of labor.5- Change the rotation to be random rather than equal, to take advantage of heteroskedasticity.-------------------------------------------------Q6: Which of the following is the best definition of efficiency?1- When everyone can be made better off by using resources more wisely2- When nobody can be made better off without making someone worse off3- When the only way somebody can be made better off is by making another better off4- When everybody is as well off as possible5- When somebody can be made better off without making someone worse off-------------------------------------------Q7: You and other college students are deciding whether to major in music or engineering. You learn that there is a shortage of engineers making it easy for engineering graduates to find employment while there is a glut of musicians for whom finding a job is difficult. As a result you and many other college students decide to major in engineering. What economic principle does this illustrate?1- Specialization leads to economic efficiency2- Changes in incentives are unlikely to change the decisions people make3- Markets tend to move towards equilibrium as individuals respond to incentives4- Individuals do not normally take into account the decisions of other individuals5- Government intervention can improve efficiency when there is a market failure
#5CONNECTING CONCEPTS You use 94 inches of plastic to frame the perimeter of a kite. One side of the kite has alength of 18 inches. Find the length of each of the three remaining sides in order from least to greatest.Length: in.,in., in
Three times the quantity of a number increased by 4 is -9. Write the equation and solve
Choose the answer that is equal to the expression below. 5^2.5^0
what is the function of the coronary circulation? view available hint(s)for part a what is the function of the coronary circulation? provide a blood supply to the pericardium provide a blood supply to the heart provide a blood supply to the lungs provide a blood supply to the aortic arch
war journalism argumentative thesis