Find the area of the following ellipse use = 3.14 and round to nearest tenth. a = 7 in.; b = 9 in.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.

Aplane is flying at 32,500 feet. it needs to rise to 36,000 feet in two stages.• in stage 1, it rises 5% of its initial altitude of 32,500 feet.• in stage 2, it rises at a rate of 125 feet per minute.how many minutes does it take for the plane to rise during stage 2?