Y varies directly x y= -1 when 3 find y if x = 9

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

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

For the equations below which statement is true ?