consider a pyramid of unknown height and a 12x12 meter square base. If the height is increased by 2 meters the lateral surface area is increased by 24 square meters. How high is the original pyramid?

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