Answer:
x=-9
Step-by-step explanation:

As the bases(3) are same,
we can conclude that the powers are equal.
Hence,

Answer:
C
Step-by-step explanation:
Answer:
-27.9
Step-by-step explanation:
Well one similarity is that since you have to multiply, integer rules still apply and that you can also multiply variables. A difference is that with fractions, you have to make a number into an improper fraction rather than just the regular way which would most likely be the whole number with a decimal.