Answer:
B
Step-by-step explanation:
<span>Unless you have some other choices, I'd have to say Stratification, to make sure the groups are representative and heterogeneous.
I hope I helped.</span>
Solution: We are given:
The area covered by five great lakes in United States
square miles.
The area covered by the smallest of the great lakes, Lake Ontario
square miles.
The fraction of the area of Ontario lake to the total area of all the great lakes is:


Therefore, the simplest form of fraction is 

Answer:
x=2/3,-3,x=0.6 repeating decimals,-3
Step-by-step explanation: