Ineed identifying the domain and the range.

(x-5)1/2+5=2 what is possible solution of this equation

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?

What is 2/3 - 1/3[tex] \frac{2}{3 } - \frac{1}{3} [/tex]