Could someone help? This is math also

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

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

I’m really confused and need your assist me with this question i’ve never been taught