Which function is the inverse of function f?
f(x)=9x^2–12

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

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?

What is negative 3/9 times negative 2/8 ?