Rishi used the graph to claim that the population of Calculus City doubled from 2010 to 2016. For him to be right, what would the population have to be in 2016?

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 .