Jazzy if ur on its me ethan wut is 2/84675

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

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.