Please show all work for these3 questions.

7) The angle of elevation from a boat to the top of a 90 meter hotel is 10 °. How far is the boat from the base of the hotel? 8) A great white shark swims 22 feet below sea level. If the shark is 67,7 feet from the sailboat, what is the angle of depression of the boat to the Shark? 9 a. At what angle would you have to look up to see the peak if you were standing on the beach? b. What is the straight-line distance from the beach to the peak? Peak 10,000 ft. Beach Ocean 30,000 ft.