Simplify this rational expression. 2x^2+5x+3/2x^2-x-3

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

What is the fewest number of full weeks briyana would have to work to have enough money? 8 weeks9 weeks 10 weeks11 weeks

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup