BRAINLIEST PLEASE HELP!!
Determine whether the sequence is arithmetic with a common difference or sequence is geometric with a common ratio. Then select the correct answer from the choices below. 9,12,16,21 1/3,
![BRAINLIEST PLEASE HELP Determine whether the sequence is arithmetic with a common difference or sequence is geometric with a common ratio Then select the correc class=](https://us-static.z-dn.net/files/d18/9421c6866e97e8e0c0caa2aee73cc7f6.png)