Which expressions are equivalent to this expression?

30x2 − 5x − 10

5x(6x − x − 2)
5(2x − 1)(3x + 2)
-5(-6x2 + x + 2)
3x(2x − 1) + 2(2x − 1)
5(2x + 1)(3x − 2)
(10x − 5)(3x − 5)

Answer is given below with explanations.

Step-by-step explanation:

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-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce