A spherical boulder is 16 ft in diameter and weighs almost 8 tons. Find the volume. Use 3.14 for

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.)

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?