A bag contains three red balls numbered 1, 2, 3 and six white balls numbered 4, 5, 6, 7, 8, 9. A ball is drawn. What is the probability that the ball is the following? (Enter your probabilities as fractions.)

(a) red and even-numbered

(b) red or even-numbered

(c) white or odd-numbered

(a) red and even-numbered

(b) red or even-numbered

(c) white or odd-numbered