Answer:
<h2>b = 4</h2>
Step-by-step explanation:

the angle measures in the regular polygon is B)140
Find common factor, in this case the common factor is 10x
So the answer would be 10x(x^6 - y^10)
It is most likely looking for a simplified version of the answer
Based off that assumption it would be
9:7
Answer:
5
Step-by-step explanation:
They are different by 5 percantages