Directions: For each problem you must insert the correct operation (+ - x = square or parentheses) to make the expression correct. Show all work
4 2 19 36 6 3 = -8

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.

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

The suare root of 9x plus 7 plus the square rot of 2x equall to 7