Denise shaded 26% of a 100-square grid to represent the portion of the cars in the parking lot that were red. which best describes the portion of all the cars that were red?

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.)

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2