Pls help with this question

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?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer