Priya is playing hand ball and wants the ball to bounce off wall CB and land at D. Where on the wall should she aim if she's standing at point A? (what is the length of CE and EB?)

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?