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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? i am in 6 grade

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?

i am in 6 grade

asked
User Vagoberto
by
7.5k points

1 Answer

8 votes

Answer:

Explanation:

y^2 -x^2=

y^2=9^2=81

x^2=2^2=4

81-4=77

answered
User Hjgraca
by
7.9k points
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