A wheel with radius r rotates at 13 rpm.
?
Find v if 
ft
?
If the answer needs rounding, round it to the whole number.
?
__________ ft/min
What will be an ideal response?
408
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Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 4 ? x ? 4, about the x-axis (dimensions are in feet). How many cubic feet of fuel will the tank hold to the nearest cubic foot?
A. 13 B. 7 C. 17 D. 4
Solve.A window washer accidentally drops a bucket from the top of a 144-foot building. The height h of the bucket after t seconds is given by 
When will the bucket hit the ground?
A. 3 sec B. 9 sec C. 48 sec D. -3 sec
Solve the problem.The speed of a stream is 6 mph. If a boat travels 84 miles downstream in the same time that it takes to travel 42 miles upstream, what is the speed of the boat in still water?
A. 12 mph B. 20 mph C. 21 mph D. 18 mph
Determine whether the relation is a function.{(-7, 5), (-7, 7), (-1, 9), (4, 4), (10, 5)}
A. Function B. Not a function