A person whose eye level is 1.5 meters above the ground is standing 75 meters from the base of the Jin Mao building in Shanghai, China. The person estimates the angle of elevation to the top of the building is about 80º. What is the approximate height of the building? Round your answer to the nearest meter.

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307