A simple 9th Grade Math Question. I need help. Any help will be appreciated. The soldiers at the parade lined up in a rectangle with 10 rows and 5 columns. You

need to choose three soldiers so that neither two of them stand in the same row or

in the same column. How many different combinations of such choices are there?

P. S. 19 points for this! Please do answer quick!

Plz me i need i will give a brain

The heaviest 16% of all men in weight weigh more than how many pounds ?

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.)