8. 1 a. 7 4 8 b. 9? c. 45 9. Arrange the following in descending order: 2/9, 2/3, 8/21 a. 2/3, 8/21, 2/9 b. 279, 2/3, 8/21 c. 8/21, 2/3, 2/9 10. Arrange the following in descending order: 1/5, 3/7, 7/10 a. 3/7, 1/5, 7/10 b. 7/10, 3/7, 1/5 c. 7/10, 1/5, 3/7
