Need help with this ASAP

Must do all of them pls

Asquare parking lot has 6,400 square meters what is the length in meters

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

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?