By what percent will a fraction decrease if its numerator is decreased by 50% and its denominator is decreased by 25%?
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Ray ce is the angle bisector of zacd, which statement about the figure must be true? mzecd-mzecb mzace « 4mzacd zace - zdcb zecd zacd save and exit

Find the solution of this system of equation -7x+y=-20 9x-3y=36

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?