I NEED HELP NOW!!!
Monelle started an arithmetic sequence. The first four terms of her sequence are shown below.
13,9,5,1,...

1.) What is the common difference for Monelle's sequence? Show or explain how you got the answer
2.) What is the sixth term of Monelle's sequence? Show or explain how you got the answer.

Fin started a geometric sequence. The first four terms of his sequence are show below.
162,54,18,6,...
3.) What is the sixth therm of Fins sequence? Show or explain how you got the answer.
4.) Write an expression that represents the ᵗʰ term of Fins sequence.