this is a probability tree diagram question

3. A dog has 9 soup bones, 6 old shoes, and 4 chewed up baseballs. On Monday, the dog selects one of the items and buries it in the yard. On Tuesday, the dog selects a second item to bury in the yard. a) Is this with replacement or without replacement ? (Circle one) b) Find the probability that the dog buried two of the same type of item. c) Find the probability that the dog buried one shoe and one baseball, in any order. d) Find the probability that the dog did not bury a baseball