Could you please help me solving these questions?

1. Let $ = (a, b, c, d. e. f. g, h } be the universal set, and define: A = (d. f.g. h} B - (a,efh] C - fee,g,h) List the elements in each of the following sets. (2 points each) A.) AUB b.) And d.) (AUD)no ") (AUBUCY