54,000 to the nearest thousand out of 53,481 or 54,199 or 54,900 or 55,310

If a is a nonzero real number then the reciprocal of a is

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?

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)