Draw an appropriate Venn diagram and use the given information to fill in the number of elements in each region. n(A') = 28, n(B) = 30, n(A' U B') = 46, n(A n B) = 11 . . . Choose the correct answer below. O A. O B. A B A B 11 18 9 19 46 18 11 19 U U O C. OD. A B 9 A B 18 11 19 9 11 18 19 U