In pottery class felix made a 14-in.-high cylindrical vase with a 5-in. radius of the base. he wants to paint the outside of the vase. how many square inches will felix have to paint? round to the nearest whole number.

The product of two negative rational numbers is always zero sometimes zero never zero

You put the following items into your rucksack. ham 600 g cheese 380 g tomatoes 270 g how much do all the ingredients weigh in total?

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.