Answer:
x=30
Step-by-step explanation:
One way is that you can just factor it out: (x+2)(x+2)(x+2)
For the first pair, you get

.
Then do

*

That will be

So the answer is 6
Answer: B
Step-by-step explanation:
Percent of change will always be positive because the change is an absolute value. As we know, absolute value is always a positive value because you don't pay attention to the direction, only the distance is important.
Answer:

Step-by-step explanation:


Hope this helps!