What is the value of u +4v, if u=9 and v=4

Find the value of the cosine for angle a

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 expression is equivalent to 1/2(2+3x-6)