Answer:
B. the slope is -2, and the y-intercept is 12.
Explanation:
i cant really explain stuff that well but basically you have to find the slope. you have to subtract 18-12 and you would get 6. then subtract -3-0 and that would be -3.
you then have to divide 6 (-3) and you would get -2. i never knew how to get 12 tho- sorry lol