Rafael watches a football game every sunday. rafael did not watch any football game this sunday. it can be said that: a) rafael forgot about the game. b) rafael did not want to watch the game this sunday c) did not play football this sunday d) rafael changed his routine.

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.

What is the point slope form of a line with slope -5 that contains point (2,-1)

How do you do the foil method with polynomials?