Answer:
B: 0.8
Step-by-step explanation:
Just multiply then divide
y= -0.8x + 4
Midpoint is 0,4
31
2 + 4 = 6
6 + 12 = 18
18 - 12 = 6
6 + 21 = 27
27 + 14 = 41
41 - 10 = 31