Find the missing terms.
3, _____, _____, 21 (arithmetic)
2 answers:
Answer:
the common difference is 6. So, the missing two terms are 9 and 15 using
3 + (n-1)(6)
Answer:
Hello There!!
Step-by-step explanation:
The answer is 3,9,15,21.
hope this helps,have a great day!!
~Pinky~
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