Let U= 3, 6, 9, 12, 15, 18, . . . . 45, set A be the set of positive even numbers less than 45 and divisible by 6, set B be the set of positive odd numbers less than or equal to 30 and set C be the set of positive odd numbers less than or equal to 45 and divisible by 5. Write sets A, B and C using the list notation method. Find A'-B, B U C, A∩CUB