The average rate of change is -5 per month
<h3>How to determine the average rate of change?</h3>
The interval is given as:
July to December
From the graph, we have:
July = 110
December = 30
The average rate of a function over the interval (a, b) is calculated as:
Rate = [f(b) - f(a)]/[b - a]
So, we have:
Rate = (30 - 110)/(December- July)
This gives
Rate = (30 - 110)/(12 - 7)
Evaluate
Rate = -16
Hence, the average rate of change is -5 per month
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miles did she ride altogether?
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hak you have a great day ate it to me y
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An outcome that is not possible is that the lines intersect in two different points so the system has two solutions.
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The two lines can never intersect each other at two points. Two lines intersects only once if they intersect otherwise they are parallel or coincide.
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the third one
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We can break it up into 
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