Which equation demonstrates the additive identity property? (7 + 4 i) + (7 minus 4 i) = 14 (7 + 4 i) + 0 = 7 + 4 i (7 + 4 i) (1) = 7 + 4 i (7 + 4 i) + (negative 7 minus 4 i) = 0

just do 5.2 + 2 ( 7.2) and 1/3 x 3 (.9) and youv'e got your equation. 0.9( 9/10) + 7.2 ^2 = 16.4 hope i could !

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f(x)=2/3x+4/3 is the answer because is whose power in the senate is equal to the power of the speaker of the house?

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ok then what happened.

493 would be the correct answer

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