Atheater has two screens and shows its movies continuously. a 30 minute documentary is shown on one. a 120 minute film is shown on the other. if both showings start at noon, how many minutes will pass before both movies begin again at the same time?

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

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3

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.