3) Quadrilateral PART has been rotated 180 degrees. How does the length of AP compare to
the length of A'P'?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Acircle has a circumference of 7.850 units. what is its radius?

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.