Answer:
4[3x-2]
Step-by-step explanation: 12x-8
Hope this helped out
Answer:
i cant see the question really well,can you plz send another copy
Step-by-step explanation:
Answer:

Step-by-step explanation:
Circumference of the column 
Circumference of a circle
Therefore:

Area of a Circle 
Since radius of the cross section of the column =9 meters
Area of the cross section of the column

We can see that the line is horizontal so its slope is 0.