Let A, B, and C be sets in a universal set U. We are given n(U) = 60, n(A) = 30, n(B) = 34, n(C) = 28, n(A ? B) = 19, n(A ? C) = 15, n(B ? C) = 10, n(A ? B ? C^C) = 13. Find the following values.

Let A, B, and C be sets in a universal set U. We are given n(U) = 60, n(A) = 30, n(B) = 34, n(C) = 28, m(A n B) = 19, m(A n C) = 15, n(B n C) = 10, n(An Bn C ) = 13. Find the following values. ( a ) n( ( A U B UC ) ( ) ( b ) n( A C n B ( nc )