The distance from your house to the ice cream shop is 12 miles. your best friends house is on the segment between your house and the ice cream shop, and his house is 3 miles from the ice cream shop. how many miles is your house from your best friends house?

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