N=4
Remove the parentheses, move the terms, collect like terms,calculate, divide both sides
The center of the circle is (3,9) so the answer is A
I would do it in Buhh I'm working so add all of them(16,18,20) together 6 times then add another 16 and 18 and you will get your answer.
I have no idea. Where is the diagram.
It has to be b because none of the others are correct.
