if the diameter of it is 12, its radius is half that or 6.

The answer is that c3x was the answer
Answer:
<h2><u><em>
30x+6</em></u></h2>
Step-by-step explanation:
What is 3*(4x-2x)*5+3*2 simplified?
3*(4x-2x)*5+3*2=
3*2x*5+6 =
6x*5+6=
30x+6
Answer:
I believe it might be B
if I'm wrong I apologise.