Two Airplanes, Flying at the Same Altitude, Are Tracked Using $y = \frac { 2 } { 3 } x - 4$

Multiple Choice

Two airplanes, flying at the same altitude, are tracked using the same coordinate system on a radar screen. One plane is following a path described by the equation $y = \frac { 2 } { 3 } x - 4$ , and the other is following a path described by the equation $2 x = 3 y + 9$ . Is there a possibility of a collision?

A) yes
B) no