What value (s) for n will make this expression true?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25