(A) Find the slope of the line that passes through the given points.
 (B) Find the standard form of the equation of the line.
 (C) Find the slope-intercept form of the equation of the line.
 (-3,4) and (6,4)
 (A) Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
 OA. The slope is m =
 (Type an integer or a simplified fraction.)
 B. The slope is not defined.