Help ??? I have no idea so someone please help me

For what value of x does 4x = (1/8) x + 5?

What is the ratio of the length of an object in yards to the length of the same object in miles?

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