Identify the terms, like terms, coefficients, and constant terms. then simplify the expression.

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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?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.