Solve the problem. Round to the nearest tenth, if necessary.A man rode a bicycle for 12 mi and then hiked an additional 8 mi. The total time for the trip was 5 hr. If his rate when he was riding a bicycle was 10 mph faster than his rate walking, what was each rate?
A. Bike: 11.5 mph; hike: 1.5 mph
B. Bike: 14.5 mph; hike: 4.5 mph
C. Bike: 13 mph; hike: 3 mph
D. Bike: 12 mph; hike: 2 mph
Answer: D
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Solve the problem.When Paula set off to drive to her friend's house, the odometer read 5634.5 miles. When she arrived at her friend's house, the odometer read 5708.8 miles. How far had she driven?
A. 75.3 mi B. 74.3 mi C. 74.4 mi D. 84.3 mi
Solve the inequality. Graph the solution set, and state the solution set in interval notation.|4k + 3| < -2
A. 
B. 
C. 
? 
D. ?
Establish the identity.cot2x = (csc x - 1)(csc x + 1)
What will be an ideal response?
Solve the problem.Matthew has two different stocks. One of the stocks is worth $7 more per share than the other. He has 13 shares of the more valuable stock and 31 shares of the other stock. His total assets in stocks is 
How much is the more expensive stock worth per share?
A. $33 per share B. $19 per share C. $35 per share D. $7 per share