Question:
Find the sum of the first twelve terms of the sequence
Last updated: 8/7/2022
![Find the sum of the first twelve terms of the sequence](https://media.kunduz.com/media/sug-question/raw/79245011-1659907071.1700141.jpeg?h=512)
Find the sum of the first twelve terms of the sequence -9,3,15,...,123, where 123 is the twelfth term. The sum is
Last updated: 8/7/2022
Find the sum of the first twelve terms of the sequence -9,3,15,...,123, where 123 is the twelfth term. The sum is