Find the integral. Select the correct answer.
a. 
Mathematics
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Evaluate.-|-x| if x = 10
A. 10 B. 1 C. -1 D. -10
Mathematics
Simplify.
A. y1/3 B. y7/5 C. y5/7 D. y6/3
Mathematics
Add or subtract. Simplify the answer.17
+ 13
A. 17
B. 29
C. 31
D. 30
Mathematics
Solve the problem.Car A (travelling north at 70 mph) and car B (traveling west at 50 mph) are heading toward the same intersection. Car A is 3 miles from the intersection when car B is 4 miles from the intersection. . Find a formula for the distance between the cars as a function of time, using the parametric equations that describe the motion of cars A and B. Using a graphing utility, find the minimum distance between the cars. When are the cars closest? 
A. d = 
; 281.21 mi; 3.32 min
B. d = 
; 1.51 mi; 0.06 min
C. d = 
; 1.51 mi; 3.32 min
D. d = 
; 1.51 mi; 3.32 h
Mathematics