One integer is eight less than another integer. the sum of the two integers is fifty. what are the integers?

Can someone check my answer? you : )

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

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute