Answer:
-26
Tip for solving related problems: use order of operations
Answer:
Located in quadrant 2. And coordinates of point c are (1.5, 6.3)
Step-by-step explanation:
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Answer: 
Step-by-step explanation:
The confidence interval for the difference of two population proportion is given by :-

Given : The first sample consists of 20 people with 9 having a common attribute.
Here,
, 
, 
Significance level : 
Critical value : 
A 95% confidence interval for the difference of two population proportion will be :-

1. Given (12+3)x, we can sum the numbers in the parenthesis to get 15x
2. Given 12x+3x, we can factor x to get (12+3)x and get the same as 1.
3. Given (12+3x)x, we have to distribute the x and we have 
4. This expression is already simplified.
Answer:27^n+3–6*3^3n+3–n*9^n+2
Step-by-step explanation: