(x - 6)^2 - 12 = x^2- 12x + c. What is the value of c?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?