Which equation represents a line that is perpendicular to line PQ

During the 2012-2013 nba season, jamal crawford playing for the los angeles clippers, had a free throw percentage of 0.871. using complete sentences, describe the likelihood that he would make the free throw each time he stepped up to the line that season. explain your reasoning.

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

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