HELP ME ITS DUE IN 30 MINUTES AND I NEED HELP IM PUTTING ALL MY FAITH IN YOU ​

If rt is greater than ba, which statement must be true ?

Is (root2 -2)^2 rational or irrational. show the steps and answer fast

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