Find the unit rate.
42 apartments on 3 floors
apartments per floor

Mr. geswein takes off 2 points for not showing work for each problem. james didn't show work on 6 problems. how many points did he lose?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square