HELP ASAP
PROB AND STATS
A fun-sized bag of M&Ms contains 18 candies. There are 3 brown, 4 red, 4 yellow, 2 green, 1 blue and 4 orange.

a.) You draw two candies from the bag, but replace the first before drawing the second. Find the probability that the first candy is red and the second is green. Write your answer as a fraction without spaces.

b.) You draw two candies from the bag, but do not replace the first before drawing the second. Find the probability that the first candy is red and the second is green. Write your answer as a fraction without spaces.

c.) What is the probability that you draw 3 M&Ms (without replacement) in the following order: Blue, Green, Brown? Write your answer as a fraction without spaces.