81 square inches
9*9*9=729
729/9(height of cube)=81(length and width of cube=area of cube)
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Answer: <em><u>
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Step-by-step explanation: 7^2 = 49, but 3^4 = 81. 49 < 81
The answer to this question is "B)$126" The hourly pay is 21$
Given:
p = 20% = 0.2, sample proportion
n = 5000, sample size.
Confidence level = 95%
The confidence interval is
(p - 1.96k, p + 1.96k)
where

Therefore the 95% confidence interval is
(0.1943, 0.2057) = (19.4%, 20.6%)
Answer: The 95% confidence interval is (19.4%, 20.6%)