I believe the answer is 2
To find the slope take your points, they should be (x1,y1) (x2,y2), proceed to subtract y2-y1 over x2-x1. after you calculate that simplify and put it in y=mx+B (the slope goes in the m position and x is usually left open)
Answer:
D. y = 8.9 ÷ 0.4
Step-by-step explanation:
I hope this helps