Use the blank table to help determine the answer to the question below. If one brownie needs 34 cup(s) of flour, how much flour will 4 brownies need?

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

substitute,

circle 1 = 5

circle 2 = 20

circle 3 = 44

in this case no matter how you add, you will always get a perfect square..

hence proved

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