" Number of straight lines passing through "(1,3),(7,-3),(5,-1),(6,-2)" is "

The equation of straight line passing through (3,5) and slope 2/3 is:

The equation of the straight line passing through the points (4,-5,-2)and(-1,5,3) is

The equation of a straight line passing through the points (-5,-6) and (3,10) is

The length of the segment of the straight line passing through (3,3) and (7,6) cut off by the coordinate axes is

The length of the segment of the straight line passing through (3,3) and (7, 6) and off by the coordinate axes is

The length of the segment of the straight line passing through (3,3) and (7,6) cut off by the coordinate axes is

Find the equation of straight line passing through (1,2,3) and parallel to (-x-2)/1=(y+3)/7=(2z-6)/3