Answer:
=81x^28
Step-by-step explanation:
the common ratio is
1/3
because
9*1/3=3
3*1/3=1
1*1/3=1/3
...
5 / 12
You must have common denominators in order to add or, in this case, subtract.
14
-16 and 125
Step-by-step explanation: hope this helped!