Andre’s school day is 63 hours long. He has 8 classes that are 3 hour long. a. Create an expression to show how much time Andre is not in class during the day.

6n^2-7n-75=0 solve by quadratic formula

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Select the graph of the solution. click until the correct graph appears. |x| = 3