Greg needs to bike 57 miles on the last day so that his average is 59 miles per day.
The true statement about the graph's slope is (c) Its slope is zero.
<h3>How to determine the true statement?</h3>
From the question, we have:
A horizontal line is at y = 2.5.
The horizontal line implies that the cost of lunch do not change
Horizontal lines have a slope of 0
Hence, the true statement about the graph's slope is (c) Its slope is zero.
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Answer:
OPTION A: 
Step-by-step explanation:
We should know that:

So, 

This is equivalent to 
Hence, OPTION A is the answer.
The answer, I believe, is tuition like how people say this this and this is the amount of my college tuition