Find x, the angle of depression from the top of a lighthouse that is 186 ft above water level to the waterline of a ship 869 ft off shore. Round your answer to the nearest tenth of a degree.​

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.