What is the sign of 123\dfrac{1}{23} + \left(-123\dfrac{1}{23}\right)123 23 1 +(−123 23 1 )123, start fraction, 1, divided by, 23, end fraction, plus, left parenthesis, minus, 123, start fraction, 1, divided by, 23, end fraction, right parenthesis? Choose 1 Choose 1 (Choice A) A Positive (Choice B) B Negative (Choice C) C Neither positive nor negative—the sum is zero.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

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.)