Answer:
The slope of the line would be 1/3 because if you put those two coordinates in the table then you can see the the difference between 5 and 1 is 4 and the difference between 9 and 21 is 12 then do 4 divided by 12 and you get 1/3 for your slope.
the answer to this is 1.08
Answer:
x-intercepts, solutions, roots.
Those are all I can think of. Hope that helps :)