What is the shape of the cross section of a cube if the cut is made across the diagonal of the cube

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?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

What would the rule be for the reflection of y=-3