After a 35% discount, a leather coat cost $180.70. what was the original price of the coat?

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Which number line represents the solution set for the inequality - x 24?

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.