The supplement of an angle is 4 more than twice it’s complement . find the measure of the angel . ( if you can explain that would a lot ! )

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

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.

Solve for x and select the correct answer