x=10.................................
This isn't to diffuclt. So, to the formula for the area of a circle is

, or instead of r, you can put D, which is r times 2
The diameteris 2.5, so, the answer would be
pi times 2.5, where pie = 3.14
So, the answer is 2.5 * 3.14 = 7.85 or 7.9
Answer:
3(z+3) = 3z + 9 if thats what your asking
Step-by-step explanation:
Answer:
x = 14.63
Step-by-step explanation: