Perform the indicated operation. Simplify if possible.
- 
A. 
B. 
C. 
D. 
Answer: B
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Solve.Two boats leave a dock together, each traveling in a straight line. One boat travels at 
and the other at 
The angle between their courses measures 
Approximate the distance, to the nearest tenth of a mile, between the boats after 
A. 14.8 mi B. 17.3 mi C. 21.4 mi D. 23.2 mi
Solve the problem.A motorcycle daredevil is planning a stunt to perform at a county fair. A ramp must be built to give him a 20% grade, or slope. If the vertical height at the end of the ramp must be 15 ft to assure that the stunt is a success, what must be the length of the horizontal run?
A. 15 ft B. 75 ft C. 2.7 ft D. 270 ft
Solve the problem. Express your answer as an integer or simplified fraction.
- 4 = 
- 3
A. - 14 B. - 6 C. 14 D. - 2
Completely factor the polynomial or state that the polynomial is prime.(13 - x)3 - x3
A. (13 - 2x)(3x2 - 13x + 169) B. (13 - 2x)(x2 - 13x + 169) C. (13 + 2x)(x2 - 13x + 169) D. (13 - x)(x2 - 13x + 169)