Respuesta :
Answer:
0
Step-by-step explanation:
It would just be straight up and down meaning it is 0.
y2-y1/x2-x1
(19,3) and (20,3)
x1, y1 x2, y2
3-3/20-19=0/1
0/1=0 slope so that's ur answer
(19,3) and (20,3)
x1, y1 x2, y2
3-3/20-19=0/1
0/1=0 slope so that's ur answer