Respuesta :

kamraaa

Answer:

2

Step-by-step explanation:

slope of the line is the gradient (m):

m = y2-y1 / x2-x1

m = 21-9 / 5-(-1)

m = 12 / 6

m = 2

nevaehdmiller

Answer:

The correct answer is D. 2

Step-by-step explanation:

I just got it correct.

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