Please Help me any help is appreciated!!

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?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Which of the following is an example of conditional probability