Solve the problem.Frank can type a report in 3 hours. James takes 7 hours to type it. How long will it take the two of them typing together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: B
Mathematics
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Solve the problem by integration.Find the volume generated by revolving the first-quadrant area bounded by 
and x = 5 about the y-axis.
A. 2? ln 6264
B. 4? ln 6264
C. 4? ln 
D. 8? ln 
Mathematics
Calculate the total amount due to the IRS from the firm.Robinson Furnace Co. collected $2,800.09 FICA, $654.86 medicare, and $2,325.88 federal withholding tax from employees.
A. $6,435.69 B. $9,235.78 C. $8,580.92 D. $5,780.83
Mathematics
Find the area of the figure using determinants.
A. 34.5 B. 35.0 C. 35.5 D. 34.0
Mathematics
Use the order of operations to simplify the expression.240 ÷ 6 - 3
A. 231 B. 37 C. 237 D. 80
Mathematics