Help with this math problem

1 answer:

6 0

Answer:

$-4z^{2} +5z^{2} -2x+4\frac{1}{2} zy^{2}$

7 apples+7 oranges

$2x^{2} y+5xy^{2}-3xy$

Step-by-step explanation:

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I’ve attached my work...
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Answer:

Step-by-step explanation:

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*written: seven million.

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