Last year, there were k pies baked for the bake sale. This year, there were 242 pies baked. Using k, write an expression for the total number of pies baked in the two years

How do you solve a question like this?

Ineed with number 6 , explain how to get 1978

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.