For numbers 12-15, consider the following sets, with  = ; that is, the universal set is the set of natural numbers:  = { | 2 = 25}  = { |  = 2, 1 <  < 5}  = {1, 3, 5, 7, 9, 11, 13,...} 12. What is ^? A. {0, 2, 4, 6, 8, 10,...} B. {|       } C. {|     } D. {|     } 13. Which is equal to \? A. {4, 16} B. {1, 4, 16, 25} C. {9} D.  14. Which of the following is equal to ? A. Set  B. {1, 2, 3, 4, 5} C. {4, 9, 16} D. {1,4,9,16,25} 15. Which of the following is equal to   ? A.  B. {5} C. {5, 5} D. Set  16. If  = {,,$, } and  = {, , , }, which of the following statement(s) is/are NOT true? i. The two sets are equivalent sets. ii. The two sets are equal. iii. The two sets are disjoint sets. A. i only B. i and iii only C. ii only D. ii and iii only 17. Which of the following accurately defines the complement of a given set, say ? A. {|      } B. {|      } C. {|      } D. {|      }