Slope is

Then you use the equation

Where b is the y-intercept. To find it, plug in x and y from one of the points. Say, point 1 (1,10):

You know m (from above) and now you can solve for b.
Rearrange terms:

And that will be the answer.
Make sense?
Answer:
d
Step-by-step explanation:
3x+12=39
Minors 12 on both side
3x=27
Divide 3 on both side
X=9
Answer:
False
Step-by-step explanation:

Answer:
5
Step-by-step explanation:
24 divided by 3 is 8
so 15 divided by 3 is 5