Dan and jake have new stamp collecting books. dan puts 5 stamps in his book every day, and jake puts 6 stamps in his book every day. how many stamps will dan have when jake has 30 in his book? ( show work )

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.