The answer is A.) 1.322 x 10^9. I hope this helps love! :)
Answer:
Wilma has $12.
Step-by-step explanation:
Since we don't know how many hours she worked, we know that Wilma earned 9x dollars at her job. Then she spends $15, so we can just subtract 15 from 9x.

We can just replace the x with 3 to get:

Hence, Wilma has $12.
8. 3^6
Reasoning because 3^6 gives you 729