What terms to 3x squared y would result in a monomial

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

I’m still confused on how to work the percentages

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?