Answer:
4/25 (Srr if incorrect)
Step-by-step explanation:
Answer:
100 million
Step-by-step explanation:
You haven't provided any value, but I can tell you the solution set for the inequality.
First of all, expand both sides:

Add 3x to both sides:

Add 6 to both sides:

Which is of course equivalent to

Divide both sides by 9

So, every number smaller than 2 is part of the solution of this inequality.
The answer to your question is -10
It is 18 because the radius is half the diameter and 9 x 2 = 18.