A store has 650 fiction books and 710 nonfiction books. ⅓ of the fiction books are checked out. ⅓ of the nonfiction books are checked out as well. Of the books checked out ½ are due back this week. How many books are due this week?

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 .