Since the interior is 720 divide it by 180 and you will get 4 so 4=n-2 where the n means number of sides. Move the 4 over to n=4+2 and you get n=6
B=5a-4
pick any a valve and replace it with a you will get b
One is 55%
Two is 190%
Three is 57
4^2 = 16
so x must be greater than 16
answer
E. 17
F. 19
11.1111 I think this is it
