Arrange the following rational numbers in descending order: 0.75, -1, 2/3, 1.25
1.25, 2/3, 0.75, -1
1.25, 0.75, 2/3, -1
-1, 0.75, 1.25, 2/3
0.75, -1, 1.25, 2/3
1.25, 2/3, 0.75, -1
1.25, 0.75, 2/3, -1
-1, 0.75, 1.25, 2/3
0.75, -1, 1.25, 2/3