What is the value of the expression? 9^8 over 9^-4 x 9^10 (fraction)?me : )

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

What is the 12th term of b(n)=-4-2(n-1)

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?