Please show work

Math 15[} Exam #2 - Page 5 of 8 E. {14 points) rGiven the following sets, where U is the universal set. U: {p.q,r,s,t,v,w,x,y,z},A= {p.q,r},3 = {q,s, v,x,z},C = {w,x,y.z} (a) What is the cardinality of each set? (b) What is Au C? {c} What is B n C? (d) What is AC? Use one of the following symbols for the next two. E, g, r: (e) Determine the relationship of C _ S. {f} Determine the relationship of B _ U