The computer mouse was invented in 1988 last week shana found a great sale on one of the newest versions of this invention (a hot pink cordless mouse) on sale the original price was $29 she paid $24.36 this total including 5% sales tax what was the discount on the mouse?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Evaluate the expression. (9 + 5)(3 + 2)0

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.