Answer:
Last choice. d.
Step-by-step explanation:
We are given the first term and the sixth term.
The first term is
.
The sixth them is
.
Let's solve for the common ratio, r.

Divide both sides by -9:

Take the fifth root of both sides:


So the common ratio is 4.






Answer:
Step-by-step explanation:
Answer:
Commutative property of multiplcation.
Step-by-step explanation:
An identifier for the property of multiplcation is by multiplying it by 1. Therefore the answer remains the same.