B=5
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Answer:
Step-by-step explanation:
a = 180 - 100
= 80 degrees
b = 180 - 80
= 100 degrees
c = 180 - 135
= 45 degrees
Answer:
Step-by-step explanations:
Answer:
n= - 11/3
Step-by-step explanation:
3(n+8)=13
3n+24=13
3n=13-24
3n-11
n= - 11/3