Answer:
38.75
Step-by-step explanation:
perimeter = 2(15.6+3.8) =38.8
lower bound = the smallest value that would round up to the estimated value =38.75
A) - 8 - 13 +4
B)+4 +7 - 2
C)-7 +3 - 20
-11/2
I hope it will help you.
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