Evaluate if x = 6, y = 8, and z = 3. x2 + y2

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The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.