1. A = {1,3,5,7} ; B = [x|x is a letter in the word APPLY} 2. C = {Triangle,Circle, Heart} ; D = {Circle, Heart, Triangle} 3. E = {x|x is a day in week} ; F = {2,4,6,...14} 4. G = pencil, book. paper} ; H = {red,blue,yellow} 5. I = A,B,C} ; J = {x|x is a number greater than 5 but less than 9}