Which‌ ‌image‌ ‌does‌ ‌not‌ ‌belong?‌ ‌Justify‌ ‌your‌ ‌reasoning

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?

Which of the following expressions is equal to 2x^2+8

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals