Solve the problem. Round your answer to the nearest tenth, if necessary.Bill can row 3 mph in still water. It takes him 3 hr 36 min to go 3 mi upstream and then return. Find the speed of the current.
A. 1.5 mph
B. 2 mph
C. 3 mph
D. 2.5 mph
Answer: B
Mathematics
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Solve the problem.If a ball is thrown upward at 64 feet per second from the top of a building that is 110 feet high, the height of the ball can be modeled by 
feet, where t is the number of seconds after the ball is thrown. What is the ball's maximum height?
A. 110 ft B. 302 ft C. 174 ft D. 158 ft
Mathematics
A cylindrical cooling sleeve for a beverage is filled with liquid for freezing. The sleeve is 1 cm thick; the inner radius of the sleeve is 4 cm, the outer radius of the sleeve is 5 cm and the height of the sleeve is 10 cm. How much liquid is needed? Give the exact answer.
Mathematics
Simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics