Simplify.

8m+4n+7m−2n8m+4n+7m−2n

15m + 2n

15m + 6n

m + 2n

17mn

Write the expression 7x^3-28xy^2 as the product of 3 factors

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

What is the volume of a rectangular crate that has dimensions 9 inches by 9 inches by 1 feet? 1,458 in.3 121.5 in.3 1,012.5 in.3 36 in.3