NEED HELP ASAP ! Will give you 20 points ! Look at pic

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?

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)