Answer:
12
Step-by-step explanation:
The rule is to add 3 so to find the next term, you add 3 to 9 which is 12.
Hope this helps!
Answer:
−3 - 3, 0 0, 3 3, 6 6, 9 9 This is an arithmetic sequence since there is a common difference between each term. In this case, adding 3 3 to the previous term in the sequence gives the next term. In other words, an = a1 +d(n−1) a n = a 1 + d (n - 1).
Step-by-step explanation:
