Simplify the expression.
A. 2
B. 
C. 16
D. not a real number
Answer: A
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The following chart shows some figures from an income statement. Prepare a vertical analysis by expressing each item as a percent of net sales. Round percents to the nearest tenth of a percent.
A. 55.0%, 8.3%, 5.6%, 13.8% B. 55.0%, 8.4%, 10.2%, 25.1% C. 55.0%, 15.1%, 10.2%, 25.1% D. 55.0%, 8.3%, 67.8%, 13.8%
The observed level of significance if a value of 5 is observed.
The probability density function of X is f (x) = 4/x5 over [1, x= ?). Compute the quantity.
Find the vertex of the given parabola.x = y2 + 14y + 40
A. (-7, -9) B. (-7, 0) C. (0, -9) D. (-9, -7)
Write the complete binomial expansion.(a - b)6
A. a6 - 6a5b + 15a4b2 - 20a3b3 + 15a2b4 - 6ab5 + b6 B. a6 - 6a5b - 15a4b2 - 20a3b3 - 15a2b4 - 6ab5 - b6 C. a6 - b6 D. a6 - 6a5b + 20a3b3 - 6ab5 + b6