Simplify 3a • 3b ÷ 3c ÷ 3d. the exponent on 3 is (ab) ÷ (cd) (a + b) - (cd) a + b - c - d

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

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?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1