Answer:

Step-by-step explanation:

express b^-4 with a positive exponent using:



I don't think it's proportional, because in order for a question to be a proportional question has/could be to be like this:
Gasoline costs $2.79 per 2 gallon. How much will it cost for 8 gallon. Then, we cross multiply and all to find the answer.
Answer:6
If you were to multiply 6*6*6 you would get 216
(6-x)=24
X=-18
If you subtract a negative number with a positive number it adds them together making it positive (6- -18)=24