Select all the pairs of like terms in the expression. 2/5y + 1/5x – 0.2y – 6 + (–2)
2/5y and 1/5x
2/5y and –0.2y
1/5x and –0.2y
–0.2y and 2
–6 and –2
PLEASE I NEED HELP THIS QUESTION IS FOR 25 POINTS SO PLEASE HELP

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Indicate the formula for the following conditions: p^c(n, r)=

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.)