1. D. No, because all of the data values fall in a small range which does not include or get close to 0.
2. B. $160
3. B. A non-linear relationship
4. C. r=0.5
5. A. The model predicts an increase of 0.233 degrees for each increase of 1 chirp per minute.
6. D. A negative exponential relationship
7. D. w=-57.907+5.342L