Tony has a workout playlist consisting of 4 songs for stretching, 14 songs for running, and 6 songs for lifting weights. If the playlist is shuffled, how likely is it a randomly selected song will be a song for running? A. Impossible.
B. As likely to happen as not.
C. Likely.
D. Certain.

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min