Solve by substitution. Please show work!!!
x+4y=-3
x+7y=-12

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

The volume of a cube is 8 in to the 3rd power. how long is each side?

Me find the value of x each figure.