Katie and her brother are both writing a report katie wrote seven eights of her report and her brother wrote three sevens of his report what is the best estimate of how much more katie wrote then her brother

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?

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Find the axis of symmerty for x y=x squared -4x-8