Eight times a number plus five times another is -13. The sum of the two number is 1. What are the numbers ? A:-5,6
B:-6,7
C:-7,8
D:,-8,9

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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?

Me find the value of x each figure.