The graph shows the distance in miles, d, a car travels in t hours. Explain why the graph does or does not represent a proportional relationship between the variables d and t?

In a column proof the right column states your reasons

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?