9x9x9x9x9x9x9 = 9^7
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Answer:
2/145
Step-by-step explanation:
The ratio of the number of Kentucky's representatives to the total number of representatives is
... 6/435 = 2/145
Answer:

Step-by-step explanation:
Given data :
Sample standard deviation, s = 15
Sample mean, 
n = 23
a). 98% confidence interval




∴ 

So, 98% CI is



Answer:
-2
Step-by-step explanation:
First remove parenthesis. Next collect the like terms. Next move terms. Next collect the like terms and calculate. Divide both sides by 8. Your answer is -2