Find the slope of the line joining `(4, -6) and (-2, -5)`.

Find the slope of the line joining points (3,8) and (-9 , 6) .

Find the slope of the line joining the points (3,-4) and (5,2)

Find the slope of the line joining the points (6, 3) and (8, 7) :

Find the slope of the line joining the points (7,5) and (9,7) :

Find the equation of the line parallel to 3x+4y+5=0 and passing through the mid point of the line joining (6,-7) and (2,-3)

Find the slope of a line joining the points (2,-3) and (3,4)

Find the slope of the line through the points (4,-6)(-2,-5)