Help please I beg of you

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

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