Solve the problem.Amy travels 450 miles at a certain speed. If the car had gone 15 mph faster, the trip would have taken 1 hour less. Find Amy's speed.
A. 68 mph
B. 78 mph
C. 75 mph
D. 72 mph
Answer: C
Mathematics
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Provide an appropriate response.What form do planes perpendicular to the y-axis have in spherical coordinates?
A. ? = a csc ? B. ? = a csc ? csc ? C. ? = a csc ? D. ? = a sin ? sin ?
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Provide an appropriate response.Solve for x: a(2 -x) = 3b
Fill in the blank(s) with the appropriate word(s).
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Find the zeros of f(x), given that one zero is k.f(x) = x3 - 10x2 + 37x - 52
k = 4
A. 4, 3 ± 2i
B. 4, 3 ± i
C. 4, -3 ± 2i
D. 4, 3 ± 
i
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Perform the indicated operation and, if possible, simplify.
- 
A. 
B. 
C. 
D. 18
Mathematics