Line s passes through points (3, 1) and (10, 6). Line t is perpendicular to s. What is the slope of line t?
Simplify your answer and write it as a proper fraction, improper fraction, or integer.

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .