Answer:

Explanation:
Consider the small sphere radius is x1.
therefore the large sphere radius is 3x1
As we know that volume of sphere=
So ,
Volume of the small sphere
=
also Volume of the large sphere
= 

On solving the equation
volume of large sphere=27 * volume of small sphere
Hence 
Answer:
I disagree
Explanation:
The data doesn't give enough info, were the people who lived with smokers, smokers as well? or were they clean off nicotine. Also the data presents itself stating the fact that second hand smoke will defiantly cause Lung cancer when in reality (as the data shows with only 7.4%) only a small percentage is affected by the smoke.
The answer is B
Here is a small experiment you can do to test this.
<span>
Put a pot of water on the stove and bring it to a boil. Take a dry lid and cover it for a minute, and lift the lid up. What happens?
What should happen is that the water droplets run down the lid and fall back into the pot.</span>