1. Find the value of y. A. B. 2 C. 24 D. 9 Hint 2. Find the value of x to the nearest tenth. A. 15.6 B. 13.2 C. 21.2 D. 47.2 Hint 3. The angle of depression from the top of one building to the top of a neighboring building is 12°. If the buildings are 50 feet apart, what is the difference between the heights of the buildings? Round your answer to the nearest tenth of a foot. A. 10.4 ft B. 10.6 ft C. 235.2 ft D. 48.9 ft Hint 4. In , and a = 12. Find b to the nearest tenth. A. 23.2 B. 20.9 C. 6.9 D. 6.2 Hint 5. In , d = 6, f = 2, and = 111. Find the value of g to the nearest tenth. A. 7.0 B. 6.7 C. 5.6 D. 6.3 Hint 6. Find the geometric mean between 7 and 13. A. B. C. D. 20 Hint 7. Which of the following special right triangles can have a Pythagorean triple as the lengths of its sides? A. both a 45°-45°-90° triangle and a 30°-60°-90° triangle B. a 45°-45°-90° triangle C. a 30°-60°-90° triangle D. neither a 45°-45°-90° triangle nor a 30°-60°-90° triangle Hint 8. Find the value of z. A. B. C. D. 5 Hint 9. Find the value of z to the nearest tenth. A. 29 B. 61 C. 0.7 D. 41.2 Hint 10. Raini is standing on a 40-foot cliff overlooking a river. The angle of depression to the near side of the river is 64°, and the angle of depression to the far side is 35°. How wide is the river, to the nearest tenth of a foot? A. 13 feet B. 226.9 feet C. 1.4 feet D. 37.6 feet Hint 11. In ABC, mA = 45, a = 9, and c = 11. Find mC to the nearest tenth. A. 30.2 B. 54.7 C. 59.8 D. 35.3 Hint 12. In WXY, w = 38, x = 49, and y = 22. Find mY to the nearest tenth. A. 25.5 B. 154.5 C. 106.4 D. 48.1 Hint