7) the curve and the line given by the equations
kx^2- xy+ (k + 1).x = 1
-k/2x+y=1
where k is a non-zero constant, intersect at a single point.
a find the value of k.

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?