If the length of a rectangle is 4 less than two times its width, write a simplified expression of its perimeter.

If you are just building your payment history, how many points from a perfect score will you possibly miss?

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

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.