Find mRST ir ST bisects RSU and SU bisects TSV

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.

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Can someone tell me if this is perpendicular? !