6th grade math I mark as brainliest

Find the solution of each of the following.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

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.