A spinner has two sections. They are marked A and B. Another spinner has the sections. They are marked 1, 2, and 3. A third spinner has two sections. One is green, and one is pink. The three spinners are sound. The tree diagram shows the possible outcomes. Use the diagram to answer the questions. (a) How many outcomes are there? (b) How many outcomes involve landing on B and an odd number? (c) How many outcomes involve landing on 1 or 2?