What is the volume of this rectangular prism?

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 percent of the circle below is shaded?

Solve the equation for y. -1 = 1/3y + 11. will give 5 stars if answered correctly!