3 years ago

Please help! Math question.

1 answer:

7 0

I am pretty sure the answer is C because that would be the least biased with the most information.

A would be biased because it is only elementary.

D is biased because it is only teachers that worked for a long time

B is fine, but C is better because it has more people.

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( 6x ^2 - x + 3 ) +( - 2x + x^2 - 7 )

alexandr1967 [171]

Answer:

7x² - 3x - 4

Step-by-step explanation:

Step 1: Write expression

(6x² - x + 3) + (-2x + x² - 7)

Step 2: Combine like terms (x²)

7x² - x + 3 - 2x - 7

Step 3: Combine like terms (x)

7x² - 3x + 3 - 7