Mr boyer draws the lines shown on the graph. sarah argues that if she were given the equations of the lines, she could find another point of intersection algebraically. is sarah correct, and why or why not

This size running track is usually called a 400 meter track. however if a person ran as close to the inside as possible on the track they would run less than 400 meters in one lap. how far away from the inside border would someone have to run to make one lap equal exactly 400 meters