Answer:
Step-by-step explanation:
What is the question?
a) y + 1...etc
-1/3
(-2, 5) and (1, 4)
Slope:
m=(y2-y1)/(x2-x1)
m=(4-5)/(1+2)
m=(-1)/3
m= -1/3
<em>The answer is below...</em>
A.
Answer: 21