The common difference of this arithmetic sequence is 13. This means that each term is 13 more than the previous term.
Here's the explanation:
- The second term (42) is 13 more than the first term (29).
- The third term (55) is 13 more than the second term (42).
- The fourth term (68) is 13 more than the third term (55).
So, the common difference is 13.
