Simply the following: (2+5i)^2 - (2+i)

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.

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Which value would be a solution for x in the inequality 47-4x< 7