20 points and brainly if correct

2 answers:

3 0

Answer:167.67
I just took the test

3 0

167.67 hope it helps .

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olasank [31]

(square root) -28
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3 years ago

gizmo_the_mogwai [7]

Answer:

$5x^2+11x-13$

Step-by-step explanation:

$a=3x^2+5x-6\\b=-2x^2-6x+7$

$a-b=(3x^2+5x-6)-(-2x^2-6x+7)=\\3x^2+5x-6+2x^2+6x-7=\\5x^2+11x-13$

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Kobotan [32]

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Step-by-step explanation:

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