Answer:
16)<1 and <7
<8 and <2
<6 and <4
<3 and <5
17)<2 and <3
<7 and <6
18)<1 and <3
<8 and <6
<7 and <5
<2 and <4
19) <1 and <5
<4 and <8
20)<7 and <3
<2 and <6
Step-by-step explanation:
