Which expression has a simplified expression of 5x - 12?

-3(4 x - 4) - 7 x
3(4 x - 4) - 7 x
3(-4 x + 4) - 7 x
-3(-4 x - 4) - 7 x

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12