(32 thousands 1 hundred 4 ones) ×10

Name the most appropriate metric unit for each measurement

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

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?