if she has 9, add 7. you have 16. divide it by half, 8. subtract 3 and you get 5.
Answer:
900°
Step-by-step explanation:
Sum of angles= 180(n-2)
Where n= number of sides of polygon.

It depends how much she begins with but if she doesn’t begin with any then it’d be 2.5
Answer:
I got $7.75.
Step-by-step explanation:
66.85-4.85=62
62/8=7.75.