8) Which one of the following pairs of equation represents perpendicular lines
a) x+y=1 and y-2x = 2
c) x+y= 0 and -x+y=1
d) 2x + y = land -2x - y = 1
b) 3x - 2y = 0 and 3x + 2y = 2
ara 1 and 2

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

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?