Answer:

Step-by-step explanation:
divide each term by 2y^3
Multiply through by the least common denominator.
Answer: 18
Step-by-step explanation:
5, 3, 7, 9 are all non-common factors
Answer:
False
Step-by-step explanation:
x
The opposite of x is -x
x* -x = -x^2
This is not always 1