Ahelicopter takes off from the ground 800 feet from the base of a building. it flies in a straight line directly to the top of the building. if the building is 160 feet tall, what angle did the helicopter take off from? round the answer to the nearest whole degree.

Trang is planting shrubs beside the highway for his job. he needs to plant 500 shrubs this week. he planted 84 shrubs on monday, 92 shrubs on tuesday, 87 shrubs on wednesday, and 104 shrubs on thursday. how many shrubs does trang need to plant on friday to finish the job?