Final answer:
Selena is correctly concluding that all of these points are on the same line because the slope between (-3, 1) and (6, 4) equals 13.
Step-by-step explanation:
Selena is correctly concluding that all of these points are on the same line because the slope between (-3, 1) and (6, 4), which are coordinates from each of the pairs above, equals 13.