Answer:
The radius of the circle is 
Step-by-step explanation:
we know that
The circumference of a circle is equal to

In this problem we have


substitute and solve for r


Number 1 a and d are true
number to its b c and d
number 3 idk, sorry
Answer:
The business which offers services needed by the citizens of the community, and which is most profitable. That is the best business.
Step-by-step explanation:
You didn't state which community you are referring to. However, the business that is best for any community is a business which offers services mostly needed by the citizens of the community, and which is most profitable.
Answer:
60 and 71
Step-by-step explanation:
Take 131
subtract the 11 from the question to get 120
Then split 120 into two parts - 60.
Add the 11 to one part
That's it! ^^