The product of 3 and x is negative 18.

Let r = 3. what is the value of r + 58?

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?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.