Expand the expression. 1/3 (2/5 - 2/3 w)

How do i do this activity, is appreciated

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

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?