Frank stands 450 feet from the base of the statue of liberty. if the statue of liberty is 306 feet tall, what is the angle of depression from the top of the statue’s torch to frank? round the answer to the nearest tenth.

Describe the relationship between the angles of similar triangles and the sides of similar triangles

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

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.