The carson family will purchase three used cars. there are two models of cars available, model a and model b, each of which is available in four colors: blue, black, red, and green. how many different combinations of three cars can the carsons select if all the cars are to be different colors?

Ryan tells ty that he will give him his best pokemon card in exchange for ty's autographed baseball card. ty feels this is a fair trade. however, when ryan trades with ty, ryan gives him his second best pokemon card instead. why was this trade not beneficial for both parties? a) ryan lied about what he was giving to ty. b) ty lied about what he was giving to ryan. c) baseball cards are worth more than pokemon cards. d) pokemon cards are worth more than baseball cards.