The points A(−3,5) and B(4,5) lie on a straight line. Which statement correctly describes this line?
(a) The slope is undefined and the equation is x=−3.
(b) The slope is 0 and the equation is y=5.
(c) The slope is 1 and the equation is y=x+8.
(d) The slope is −1 and the line passes through the origin.