Plz ! 15 what is the equation of the line with the points (1,10), (2,20), (3,30), (5,50), (10,100), (25,250) in slope intercept-form

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work