Which table does not represent a proportional relationship?

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?

A+b= 17, ab=70, find the value of |a-b|