Which is the best example of a down payment? A. Margo leases an apartment and pays $500 cash as a security deposit when she moves in.

B. Robby pays 10 percent cash up front and gets a loan for the
remaining 90 percent of the cost of a condominium.

C. Billy orders a piano, pays half the cost up front, and has to pay the other half when the piano is delivered.

D. Jan signs a cell phone plan that includes a little of the cost of her new phone as part of her bill every month.

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.

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle

Determine which postulate or theorem can be used to prove that lmn =nmo