The marks scored by four students in mathematics test are as follows Ansah 85, Gyawu 64, Jesse 98, Bimpeh x. Find the possible marks Bimpeh scored in the test​

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