Which expression is equivalent to −2(x − 3)2 + 9? A) 2x^2 + 12x + 9

B) 2x^2 + 12x − 9

C) −2x^2 + 12x + 9

D) −2x^2 + 12x − 9

Explain how you can use the associative property to evaluate (7x50)x4.

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤