The floor of a square room is covered by 9 equal tile. The area of each square tile is 5/4.What is the square floor

What is the simplified form of x + 8/3x + 7 + x +7/x+4

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 numbers are included in the set of integers? what numbers are not included?