Answer:
3b<32+7, 3b<39, 3b÷3<39÷3, b<13
C
Step-by-step explanation:
12
Parenthesis first:
5-4+1
5-4=1+1=2
18÷3×2
Divide:
Multiply:
6×2=12
72
i thinkkkk im on this unit too in geometry
