If possible, find an invertible matrix PP so that D=P−1APD=P−1AP is a diagonal matrix. If it is not possible, enter the identity matrix for PP and the matrix AA for DD. You must enter a number in every answer blank for the answer evaluator to work properly.

If you want to place an 8 ½ inch towel bar in the center of a door that is 25 ½ wide, how much space will be on each side of the towel bar?

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Which shows the graph of the solution set of 3y – 2x > –18?