How do you simplify 3x, x=5

Give me the equations of two lines that have the same slope but are not parallel.

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

How do you write 600 as a product of its prime factors (index! )