Can I have help please I don’t know how to do this

Which expression is equivalent to? assume x > 0 and y > 0.

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?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling