Craigw6457go Craigw6457go Mathematics Answered Find set A' U C'. U= {n, o, p, q, r, s, t, u, v} A = {p, r, t} B = {t, u, v} C = {p, s, t, u, v} Select the correct choice below and, if necessary, fill in the answer box to complete your choice. what is Aā U Cā =