Answer:
a_n=6(6)^n-1
Explanation:
Hey! I have delta math as well! I got this straight off the back! Hope this helped lol! I don't uwant to write an explination tho because it's a bit confusing. But I hope this helped! Lol, wish people didn't answer the questions like that all the time! the heart and your rating on this answer to help other people find it! Let me know if this worked! Bye, my loves!