I'm confused about this question

1 answer:

4 0

Answer:

the answer is 3

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Cold air transfers heat energy to warm air.

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Alex777 [14]

Answer:

Step-by-step explanation:

Hey There!

To solve this problem we have to combine like terms

$7x^3-6x^3=x^3\\6x^2-8x^2=-2x^2\\-5x+10x=5x\\5-7=-2$

So our answer would be

$x^3-2x^2+5x-2$ (b)

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Harrizon [31]

Answer:

(D)

Step-by-step explanation:

~a rational number....I hope it helps

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