If A = {1, 2, 3, 4}
B = {3, 4, 5, 6, 7}
C = {6, 7, 8, 9}
D = {7, 8, 9, 10}
ColumnAColumnB1.A∪B a. {3,4,6,7} 2.A∩B b. ∅ 3.(B∩C)∪D c. {3,4} 4. B∪C∪D d. {3,4,5,6,7,8,9,10} 5. (A∩B)∩(B∪C) e. {1,2,3,4,5,6,7} f. {6,7,8,9,10} g. {7}
If A:B = 12:38, B:C = 13:59 and C:D = 56:34, then the ratio A:B:C:D is
If A = {3, 6, 9, 12, 15, 18, 21} B = {2, 4, 6, 8, 10, 12, 14, 16} C = {5, 10, 15, 20}
AB 1. B−C A. {5,10,20} 2. A−C B. {3,9,15,21} 3. C−(A−B) C. {3,6,9,12,18,21} 4. C∩(A−B) D. {15} E. {2,4,6,8,12,14,16}
Factor of
8x3−27