Answer:associative property of addition
Step-by-step explanation:The associative property of addition says that changing the grouping of the addends does not change the sum.
Answer:

Step-by-step explanation:
Use the circle equation, 
Plug in the center and radius:

Simplify:

So, the equation is 
Answer:
2/5 is tje correct answer for your question
Answer:
the radius=9m2
i solve the question and answer is 9