7th grade math help me please :))

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

Solve: 3x+y=6 4x-2y=18 show all work !

Bring the fraction a/a-4 to a denominator of 16-a^2