What is the area of a circle with a radius of 1 foot?
One-fourth pi feet squared
One-half pi feet squared
Pi feet squared
2 pi feet squared

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