Answer:
Plot D
Step-by-step explanation:
Plot D is the one without 13. The other ones have 13 but there is no 13 in the data set.
y = mx + b
m = slope
b = y-intercept
m = 2/8 = 1/4
b = -9
y = 1/4x -9
9.875
No
If one is on top then the greater the bottom number, the less the quantity.