How many different ways can 50 players in a marching band be arranged in a rectangle arrangements?

Classify the following triangle check all that apply

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?