Jeff can put shingles on a house in 9 hours while david can shingle the same house in 6 hours. if the two work together, how long would it take them to shingle the house? about 3 hours about 3 hours and 30 minutes about 4 hours about 4 hours and 30 minutes

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

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.)

Write the equation of the circle centered at (10,-2) with radius 2.