Sasha is outside of a building. She sees Thomas on the 4th floor at an angle of elevation (from ground level) of 48°. She then sees Sebastian on the 9th floor at an angle of elevation of 67°. If Thomas is 52 feet from ground level, what is the distance from Thomas to Sebastian?

Select the correct answer from the drop-down menu. this graph represents the inequality x+2< 4,2x> 3,x+6< 12,2x> 12

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.

Find the nonpermissible replacement for binthis expression. b2/5b +5