What does 1/3 of (7+8) + 4 to the power of 2 - 2 equal

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Step-by-step explanation:

Step 1:  Convert words into an expression

What does 1/3 of (7+8) + 4 to the power of 2 - 2 equal

(1/3(7 + 8) + 4)^(2-2)

(1/3(15) + 4)^0

(5 + 4)^0

(9)^0

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Step-by-step explanation:

but which class are u may know that first