30 points + brainliest
1. simplify the expression 3x^3+9x^4/6x^2

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?

Solving algebraic equations 2m+3=11

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)