What is the scale factor?

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? will mark the

What is the distance between (–2 1/2,-3) and (1, –3)?

Can someone explain to me how to do