Amedium sized apple has 70 calories. this is 10 calories less than 1\4 of the calories in an old westie chocolate bar. how many calories are in the chocolate bar? what is the best model for yourr first step

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