Solve the problem. Write ratios in lowest terms.Peter's farm has a well that is 5
feet deep. Jill has a well in her backyard which is 13 feet deep. Find the ratio of the depth of Peter's well to Jill's well.
A. 
B. 
C. 
D. 
Answer: B
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Provide an appropriate response.A plane averaged 300 mph on a 600 mile trip and then returned over the same 600 miles at the rate of 
What was the plane's average speed for the entire trip? Give reasons for your answer.
What will be an ideal response?
Provide an appropriate response.Suppose the velocity of a body moving along the s-axis is 
= 9.8t - 7.Is it necessary to know the initial position of the body to find the body's displacement over some time interval? Justify your answer.
A. No, the initial position is necessary to find the curve s= f(t) but not necessary to find the displacement. The initial position determines the integration constant. When finding the displacement the integration constant is subtracted out. B. Yes, integration is not possible without knowing the initial position. C. Yes, knowing the initial position is the only way to find the exact positions at the beginning and end of the time interval. Those positions are needed to find the displacement. D. No, displacement has nothing to do with the position of the body.
Multiply.(3x + 4)(3x + 4)(3x + 4)
A. 9x2 + 24x + 16 B. 9x6 + 12x3 + 4096 C. 27x3 + 108x2 + 144x + 64 D. 27x3 + 108x2 + 108x + 64
Simplify the expression. First use the distributive property to remove any parentheses.-8(r + 8)
A. -8r - 64 B. -8r - 8 C. r - 64 D. -8r + 64