You want to buy some new clothes and see three online deals for shirts. A) “Only $12 for any 2 shirts today!”
B) “$20 for 5 sale on shirts”
C) “Pay $15 when you buy 3 shirts”

Answer the following questions about the online deals:

1. What is the unit rate for each of the three deals?

2. What is the best deal on shirts? How do you know?

Afriend of mine is giving a dinner party. his current wine supply includes 10 bottles of zinfandel, 8 of merlot, and 11 of cabernet (he only drinks red wine), all from different wineries. (a) if he wants to serve 3 bottles of zinfandel and serving order is important, how many ways are there to do this? ways (b) if 6 bottles of wine are to be randomly selected from the 29 for serving, how many ways are there to do this? ways (c) if 6 bottles are randomly selected, how many ways are there to obtain two bottles of each variety? ways (d) if 6 bottles are randomly selected, what is the probability that this results in two bottles of each variety being chosen? (round your answer to three decimal places.) (e) if 6 bottles are randomly selected, what is the probability that all of them are the same variety? (round your answer to three decimal places.)