Tim is building a brick wall that will be 4 feet
high and 57 feet long. it takes 7 brick to build 1 square foot of wall
(area = length x width)
approxitaotch how many bricks will he use for the entire building?

On a piece of paper graph f(x)=5•(0.4)^x

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)