What does the y-intercept on this graph represent? a.At 0 days, there are 400 pages remaining b. At 0 days, there are 16 pages remaining c. At 16 days, there are no pages remaining d. At 16 days, there are 400 pages remaining,

Explanation:
The y-intercept is the point where the line crosses the y-axis. This always happens when x = 0.
In this case x = 0 represents 0 days. The y-intercept is 400 pages remaining
Answer:
The answer is option a. At 0 days there are 400 pages remaining