Find the surface area of the prism​

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .

Who long does it take to drive 150 miles at 45 miles per hour