2(9x + 3) + 5x = 48 + 2x
18x + 6 + 5x = 48 + 2x
23x + 6 = 48 + 2x
23x - 2x = 48 - 6
21x = 42
x = 42/21
x = 2
<h2>
Answer with explanation:</h2><h2>
</h2><h3>The confidence interval for population proportion is given by :_</h3>
Where : 
is the margin of error , n is the sample size , p is the sample proportion of success and 
is the significance level.
Given : Confidence level : 
Then , Significance level : 
Sample size : 
Sample proportion of respondents chose chocolate pie: 
Margin of error : 
Answer:
This is a Retrospective study
Step-by-step explanation:
Retrospective study is a study that compares two groups of people; those with disease or condition under study and a very similar group of people who do not have the disease or condition.
Here they are compring those men with high blood pressure who drank and those with no high blood pressure and don't drink.
Answer:
Sample
Step-by-step explanation:
The people that are riding the roller coaster are only a select few people out of everyone in the entire park.
If you think about it this way, there are other rides in the park (there might be bumper cars and a Ferris wheel, etc.), so the people on the roller coaster are just a small group of the entire population of people in the park
Answer:
A
because range is all values of Y but in negative side it is infinity but in positive side range is 4
