Answer: 
Step-by-step explanation:
You need to use the following formula:

Given the points A(6,3) and B(8,1), you can identify that:

Now, you can substitute these values into the formula
.
Therefore, you get this result:


Answer:
m= -13/14
Step-by-step explanation:
use y=mx+b formula!
Answer: 1 to 8
Reason: because there’s 1 of 8 items is the same ratio