Looking out from the balcony, the angle of elevation to the top of the next building is approximately 22º and the angle of depression to the bottom of the building is approximately 29º. If the building is 200ft away, how tall is the building?

Which representation has a constant of variation of -2.5

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.