Mathematics, 31.07.2020 14:01 htrevino

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If a + b = 4, b + c = 5 and c + a = 7 what is
the value of (a + b + c)^2?
O a. 256

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Marked out of 1.00 P Flag question
If a + b = 4, b + c = 5 and c + a = 7 what is
the valu...