Find the volume of a trianglular prism that has a triangular base of 14 and and a height of 17 with a prism height of 5 leave your answer in a0 cubic units will give brainliest!

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