Elaine is decorating for a party. she cuts 3 equal length streamers from a strip of purple paper that is 8 feet long. how long is each streamer?

Does the point (1, sqrt 7) lie on circle shown.

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.

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy