A rectangle has a height of 4x^3 and a width of x^3 + 3x^2 + 2x.
Express the area of the entire rectangle.
Your answer should be a polynomial in standard form.

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.)

1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?

The tile along the edge of a triangular community pool needs to be replaced? ?