I need help on this can someone help.

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

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 graph of g(x) is a translation of y = which equation represents g(x)?