Mathematics, 14.01.2021 23:10, Jasmineemarieee

Hrozmarly needs to evaluate the following expression y^2-x^2 when y=9 and x=2. Her answer should be? i am in 6 grade

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Hrozmarly needs to evaluate the following expression y^2-x^2 when y=9 and x=2. Her answer should be?...