2 5/7+4 3/5= help please

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.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?