Through (9,5), perpendicular to -4x-7y=-71

Y=-4/7x + 71/7 the question wasnt very clear but i put it in y=mx+b

United states v.  nixon, 418  u.s.  683 (1974),  was  a landmark  united states supreme court case  that resulted in a unanimous  decision  against president richard  nixon, ordering him to deliver tape recordings  and  other subpoenaed materials to a  federal  district  court.