Solve the problem.Keerti found that he had y nickels in his pocket. Write an expression that represents this quantity of money in cents.
A. 5y
B. 
C. y + 5
D. 
Answer: A
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Solve the problem.Suppose that the accompanying table shows the velocity of a car every second for 8 seconds. Use the Trapezoidal Rule to approximate the distance traveled by the car in the 8 seconds. Round your answer to the nearest tenth if necessary.
A. 198 ft B. 177.5 ft C. 269.5 ft D. 355 ft
Solve the problem.A restaurant offered salads with 8 type(s) of dressing and 6 different topping(s). How many different types of salad could be ordered?
A. 36 B. 48 C. 64 D. 14
Find the area of the shaded region. Use ? ? 3.14 and round to the nearest tenth.
A. A ? 1133.5 m2 B. A ? 989.1 m2 C. A ? 44 m2 D. A ? 2122.6 m2
Solve.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 75 seconds with an average speed of 4 feet per second. Find the average speed of the swimmer if it takes him 100 seconds to finish the race.
A. 2 feet per second B. 5 feet per second C. 4 feet per second D. 3 feet per second