You're sitting on the ledge of a wall that is 300 feet away from a building. You have to look up 60 degrees to see the top of the building and down 15 degrees to see the bottom of the building. Find the height of the building. Explain or show your reasoning.

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?