Find the Slope of the Line Through the Given Pair $(4,7)$

Multiple Choice

Find the slope of the line through the given pair of points, if possible. Based on the slope, indicate whether the line through the points rises from left to right, falls from left to right, is horizontal, or is vertical.
- $(4,7)$ and $(7,7)$

A) -3 ; falls
B) 3; rises
C) 0; horizontal
D) Undefined; vertical