Write sigma notation. 
+ 
+ 
+ 
+ 
A. 
B. 
C. 
D. 
Answer: A
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Determine the truth value for the simple statement. Then use these truth values to determine the truth value of the compound statement. Use the chart or graph when provided.0 > -4 and 8 ? 10
A. True B. False
Use the percentage method of withholding to find the federal withholding tax, a 6.2% FICA rate to find the FICA tax, and 1.45% to find the Medicare tax. Then find the net pay for the employee. Assume that the employee has not earned over $115,000 so far this year.
Erika Du Mesnil has gross earnings of $7914.27 semimonthly. She is married and has 4 withholding allowances.
A. $7,308.83 B. $6,479.34 C. $8,743.76 D. $5,873.90
Solve the problem. Round to the nearest hundredth of a percent if needed.Use of the internet for shopping is increasing dramatically, but still is somewhat age dependent. When a popular web site that sells books asked the age of users who bought products from them over the internet, they obtained the following data. What is the probability that a buyer on this web site is aged 
A. 2.95% B. 4.41% C. 2.86% D. 4.45%
Express as a single logarithm.72 log9
+ log9(72x6) - log9 72
A. log9 x14 B. log9 x15/8 C. log9 x14/9 D. log9 x17/6