We know, 3 feet = 1 yard.
We have to convert feet to yards to calculate the ratio so that the final answer doesn't have any unit.
Therefore, 21 feet = 
= 7 yards
Thus, the ratio
The fraction 
is already in its simplest form.
Therefore, the given ratio as a fraction in the simplest form without any units is
Answer:
Choose every tenth student entering the school and ask them if they like the dress code or not.
Step-by-step explanation:
This is a question of sampling. We need to make non-biased predictions using non-biased data. We can sample from every tenth student to stay proportional. Sampling many students can collect more data and can help keep the data non-biased.
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Apples are gross so none. plus most people have braces so they couldnt anyway
Are You trying to find out the equivalent expression? or...
Answer:
12.0
Step-by-step explanation:
