Given x=-3 y=6 z=-4
x+y+(-1)=
what does it equal

Agiven line has the equation 2x + 12y = −1. what is the equation, in slope-intercept form, of the line that is perpendicular to the given line and passes through the point (0, 9)? y = ( )x + 9

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?