Answer:
An arithmetic sequence is a sequence of numbers in which the difference between the consecutive terms is constant.
The standard form of a circle is:

Your center is
and your radius is 
Plug them into the equation and you get


The correct answer is D.
Answer:
I not sure this 76.5
Step-by-step explanation:
9cmx17cm=156/2=76.5
Then 76.5/2= 39
I hope this helpful for you.... Sorry....
45.5%, or 4.55, for 455/1000.
91/200