Afootball team lost 4 yards on each of 2 plays, gained 14 yards on the third play, and lost 5 yards on the forth play. write and find the value of an integer expression to find the change in their field position.

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