Simplify the rational expression.
3x2 – 9x
12x2

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Solve for the equation x. 2x + 22 = 4(x + 3)

If two lines form congruent alternate interior angles with a transversal, then the lines