Discrete math structures

(20 points) Use set builder notation to give a description of the set {3,2,1,0,1,2,3,4,5} (20 points) Let A={a,b,c},B={x,y}, and C={5,10}. Find ABC and CAB. (20 points) Let A={1,4,8,16} and B={2,4,16,32,64}. Find AB, AB,AB,BA, and P(A)