5.) What is the slope of a line perpendicular to the line 3x + 2y = 19?

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

How do i do this activity, is appreciated

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10