Answer:
This is cluster sampling.
Step-by-step explanation:
American Airlines randomly selects 110 flights during a certain week and surveys all passengers on the flights.
This is a type of cluster sampling.
This type of sampling is done by dividing the population into different groups and a simple random sample of clusters is selected from the population.
The answer is D. The answer is D because when It is simplified 7?49. The answer is the only possible answer could be correct since the rest of their maths don't add up.
C
<span>A </span>
<span>C </span>
<span>D </span>
<span>D </span>
<span>B </span>
<span>D </span>
<span>B </span>
<span>C</span>
The answer is 4n-25
4 times n is 4 n
and 25 decreased or subtracted from the 4n
thus the answer is 4n-25
You need two sides so you can rewrite it as:
2x = 70-(14+32)
2x = 24
x = 24/2
x = 12
The height is 12in.
Hope this helps! :)
