Convert 3:4 to percentage​

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

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 the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9