Find an equation for each line.
a. the line passes through the points (0, 8) and ( 4, 13.)

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?

Evaluate the expression. (9 + 5)(3 + 2)0

Find the commission on a $590.00 sale if the commission is 15%.