Divide the following polynomial, then place the ans
descending powers of x.
(x 5 + y 5) -- (x + y)

Find the value of the cosine for angle a

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?