The accompanying Venn diagram shows the number of elements in region V. Use the given cardinalities to determine the number of elements in each of the other seven regions.
n(U)
=
44,
n(A)
=
20,
n(B)
=
22,
n(C)
=
30,
n(A∩B)
=
12,
n(A∩C)
=
14,
n(B∩C)
=
