Final answer:
The number line that represents this scenario is the number line with closed circle at point 12, shaded to the left.
Step-by-step explanation:
The number line that represents this scenario is the number line with closed circle at point 12, shaded to the left.
When Jason has no less than 12 newspapers left to deliver, it means he has 12 or more newspapers left. So, the point 12 is included in the solution.
By shading to the left of the number line, we are indicating that the values less than or equal to 12 are part of the solution.