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margie (: !

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is there anyone online that can help me with math questions ?i have A LOT! (:
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If A=3x^2-2x-7 and B=x^2+9, then what is their sum, A+B?a. 5x^2-2x+2 b. 4x^2-2x-2 c. 4x^2+2 d. 4x^2-2x+2 e. none of these
1. 1 answer
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