need help asap with just one question.
1.what is the slope of the graph between 120 and 150 minutes? what does this mean in terms of change in elevation? (2 points: 1 for slope, 1 for the explanation)​

need help asap with just one question 1what is the slope of the graph between 120 and 150 minutes what does this mean in terms of change in elevation 2 points 1 class=