EXPLANATION
Solving the inequalities as follows:
a.
1. -4.5 is below 5 1/2 because 5 1/2 is equal to 5.5 and it's greater than -4.5
b.
2. 3.75 is above -2 1/4 because 3.75 greater than -2 1/4 = -2.25
c.
3. 0.4 is above -1.4
5. 0.4 is below 6.75
d.
1. -6 5/7 is below 6 5/7
3. 6 5/7 is below 6 6/7