John and brian work for a toy manufacturers putting stuffing in teddy bears. on average, john can stuff x teddy bears in one day and brian can stuff y in one day. they both the same number of days, t. what does the expression (x +y)t represent? a. the number of teddy bears john can stuff in t days b. the number of teddy bears brian can stuff in t days c. the number of teddy bears john and brian can stuff in t days d. the number of teddy bears john and brian can stuff in one day

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.)