John wants to simplify the expression (5+3) to the power of 2. As a first step, he writes 5 to the power of 2+3to the power of 2
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first off let's convert the mixed fractions to improper fractions.
she already did half a hat, so we can say
so she only needs enough fabric to make 3 more full hats, we know each one uses 9/7 ft, so