Use a number line to find the difference.-3 - 4
A. 2
B. -7
C. -1
D. 1
Answer: B
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Provide an appropriate response.Solve: 
x - 
= 
- 
x
A. 
B. 
C. 
D. 
Solve the problem.A boy is flying a model airplane while standing on a straight line. The plane, at the end of a twenty-five foot wire, flies in circles around the boy. The directed distance of the plane from the straight line is found to be d = 25 cos 
where d is measured in feet and t is the time in seconds. If d > 0, the plane is in front of the boy; if d < 0, the plane is behind him. What is the amplitude? What is the period? Graph d over two periods beginning at t = 0. 
What will be an ideal response?
Provide an appropriate response.Which one of the following ratios is not the same as 0.75?
A. 8 to 6 B. 0.750 C. 75 to 100 D. 3 to 4
Find the additive inverse or opposite.
A. - 
B. - 
C. 
D. 