Answer:
c 3
Explanation:
put the rise (change in y) over run (change in x)
find the difference between the y points: 2 and 8
8 minus 2 is 6, so that's your rise
then find the difference between your x points: 2 and 4
4 minus 2 is 2, so that's your run
rise / run = 6/2, which simplified is just 3