system of equations, solve with graphing. please help me. i will give you brainlist, and 5 stars too, if you are right of course.

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

Write the sentence as an equation. z plus 372 is equal to 160

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)