Answer:
Do you have the math exercices? I am sorry but I can just help in the subjects concerning math. It is been some time since I studied biology and other high-school subjects.
Answer:
D. Undefined
Step-by-step explanation:
4-4 = 0, 10-6 = 4
Change of x = 0
Change of y = 4
Since the change of x is 0 (a horizontal line), it is undefined.
The formula for slope is 
In this case:

so...


-1 <<<The slope
Hope this helped!
~Just a girl in love with Shawn Mendes
Answer:
(13,0)
Step-by-step explanation:
I hope this helps and I hope I can get Brainliest! =)