twelve people work together four are office managers, eight are office workers, two people are chosen to win a prize. what is the probability that one is a manager and one is an office worker?

Iam so stuck. what is the worked out answer for this question?

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation