Solve by factoring

a) {7} b) {-3, 7}

c) {-7,0} d) {8,2}

(plz show me step by step how you solved it.)

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?

Given that s is the centroid of triangle mno, find sq.