In the xy plane what is the y intercept of the equation how to work it

Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

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.

Solve the system of equations. y= 2x y= x^2 - 15