Apair of shoes usually sells for $64. if the shoes are 30% off, and the sales tax is 5%, what is the total price of the shoes, including tax?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

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.

Finding tbe values of the variables in each kite