The given sequence is: $-5, -1, 3, 7, \dots$

To find the common difference $d$, subtract any term from the term that follows it.

$d = (-1) - (-5) = -1 + 5 = 4$ $d = 3 - (-1) = 3 + 1 = 4$ $d = 7 - 3 = 4$

The common difference is $4$.

The correct answer is 4.

Would you like more details or have any questions?

Here are 5 related questions:

1. What is the next term in the sequence?
2. How do you find the nth term of an arithmetic sequence?
3. Can a sequence have a common difference of 0? What kind of sequence would that be?
4. How do you determine if a sequence is arithmetic?
5. What happens if the common difference is negative?

Tip: In arithmetic sequences, the common difference remains constant between consecutive terms.