Hello can anyone give me the full answer to this step by step?

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20

5. write an equation for the line that is parallel to the given line and that passes through the given point. y = –5x + 3; (–6, 3)