Mike was in charge of collecting contributions for the food bank. he received contributions of $50,$80,$60,$50,and $90. find the mean and median of the contributions.

For the equations below which statement is true ?

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

Will give a: 122 b: 90 c: 48 d: 180