Geometry work how do i find the distance in miles

Find two rational expressions that have the difference of 2-n/n-4

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

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?