9: -q^2 - r^2 + 3s-9^2 - -6^2 + 3(-20)-9^2 = -9 * -9 = 81 81 - -6^2 + 3(-20) -6^2 = -6 * -6 = 3681 -...

Mathematics, 11.09.2021 03:30, billy1123

I need 9-12 please!!

Answers: 2

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