What is the surface area of a cylinder with radius x - 3 and height x - 11

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.)

When a number is decreased by 9.9% the result is 40. what is the original number to the nearest tenth? super urgent

While shopping at a clearance sale, samantha finds a $60.00 dress on sale for 25% off. samantha also has a 50% off coupon. which statement correctly summarizes her savings?