Factor completely. m4 - n4 (m^2 + n^2)(m - n)^2
(m^2 - n^2)(m + n)(m - n)
(m^2 + n^2)(m + n)(m - n)

What is the approximate circumference of the circle shown below?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.