Which one is it?

I am stuck help!

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?

Can someone me with this? i’m not sure what to put for my equations.

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?