Solve the problem.From April through December, the stock price of QRS Company had a roller coaster ride. The chart below indicates the price of the stock at the beginning of each month during that period. Find the monthly average rate of change in price between June and September. 
A. $12.50 per month
B. -$8.33 per month
C. $8.33 per month
D. -$12.50 per month
Answer: C
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The sides of a square baseball diamond are 90 ft long. When a player who is between the second and third base is 30 ft from second base and heading toward third base at a speed of 24 ft/sec, how fast is the distance between the player and home plate changing? Round to two decimal places.
Provide an appropriate response.The commissions charged for the trading of stock are:
A. only for selling stock B. the same for all trades C. only for buying stock D. for buying and selling stock
Solve.There are approximately 1.609 kilometers in 1 mile. How many miles are there in 20 kilometers? (Round to the nearest hundredth.)
A. 8.05 mi B. 0.08 mi C. 124.30 mi D. 12.43 mi
Find the measures of two angles, one positive and one negative, that are coterminal with the given angle.131°
A. 401°; -139° B. 491°; -229° C. 311°; -49° D. 491°; -49°