This question determines if i pass the school year or not and i really need help. I have no idea how to work it out and if i get this wrong i have to do credit recovery all summer!

Aparking lot is to be 400 feet wide and 370 feet deep. how many standard-sized cars fit in this lot considering a double-loaded (w4) two way traffic set up, an angle of 90° and a sw of 9’ 0’’? (do not consider handicapped parking spaces, and consider 15’ for turning aisles). show your work.

Can someone me out here and the tell me the greatest common factor

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?