Perform the indicated operation.(-7 - 5x6 + 5x8 - 5x7) + (-2x7 - 8x6 + 6 + 2x8)
A. -13x42 - 1
B. -9x8 - 9x7 + 11x6 - 3
C. 7x16 - 7x14 - 13x12 - 1
D. 7x8 - 7x7 - 13x6 - 1
Answer: D
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Multiply.(x + 5)(x2 - x + 7)
A. x3 + 4x2 + 2x + 35 B. x3 + 4x2 + 35 C. x3 + 6x2 + 12x + 35 D. x3 + 35
Solve the problem. Round to the nearest cent as needed.Cheraw Auto Repair believes that it will need new equipment in 10 years. The equipment will cost $26,000. What lump sum should be invested today at 8% compounded semiannually, to yield $26,000?
A. $17,637.61 B. $11,866.06 C. $17,462.98 D. $21,097.18
Solve the problem.The graph below shows the number of tuberculosis deaths in the United States from 1989 to 1998.
YearEstimate the average rate of change in tuberculosis deaths from 1991 to 1997.
A. About -460 deaths per year B. About -60 deaths per year C. About -120 deaths per year D. About -1 deaths per year
Use an appropriate identity to find the exact value of the expression.cos (-165°)
A. 
B. 
C. 
D. 