Onsider the following sets. A = {15} B = {10+5} C = {10, 5} D = {23} E = {2,3} (a) What is the cardinality of each set? A =1 \B\ = 1 2 ICI ID=1 E=2 (b) Which of the sets are equivalent? O A B C D E " OA B C; DE OA B D; CE AB; C D E A B E; DC X (c) Which of the given sets are equal? OA=D=E; B = C OA=B=D; C = E OC=E O A=B