Solve the problem.For a motorcycle traveling at speed v (in mph) when the brakes are applied, the distance d (in feet) required to stop the motorcycle may be approximated by the formula 
Find the instantaneous rate of change of distance with respect to velocity when the speed is 43 mph.
A. 4.3 mph
B. 5.3 mph
C. 44 mph
D. 10.6 mph
Answer: B
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Make the following length or weight conversion between the U.S. and the metric system.14 kilometers to miles (Round to the nearest tenth.)
A. 22.5 mi B. 14.8 mi C. 13.2 mi D. 8.7 mi
Solve the application by adding or subtracting appropriately. Answer with a complete sentence.In a practice run, a race car driver's speed is clocked at 139.072 mph at the end of her first lap, and at 164.418 mph at the end of the next lap. How much faster was she driving at the end of the second lap?
A. At the end of the second lap she was driving 25.356 miles per hour faster. B. At the end of the second lap she was driving 25.246 miles per hour faster. C. At the end of the second lap she was driving 25.346 miles per hour faster. D. At the end of the second lap she was driving 26.346 miles per hour faster.
Use the distributive property to rewrite the expression.9(2x) + 9(-4y)
A. 9(2x - 4y) B. 18(2x - 4y) C. 9x(2 - 4) D. 18x - 36y
Evaluate the expression.(77)
A. 0 B. 5040 C. 2 D. 1