The side of a square is 2^7/2. using the area formula a = s^2, determine the area of the square.

a = 196 square inches
a = 128 square inches
a = 49 square inches
a = 4 square inches

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