Multiply.(x + 
)(x - 
)
A. x2 - 
B. x2 + 9x - 6
C. x2 - 9x - 6
D. x2 - 9
Answer: A
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Find the curvature of the space curve.r(t) = -7i + (5 + 2t)j + (t2 + 7)k
A. ? = 
B. ? = 
C. ? = - 
D. ? = 
Use the Consumer Price Index below to answer the question.
The table below shows the federal hourly minimum wage in various years. Complete the table by converting each minimum wage from actual dollars to 2001 dollars. In which year was the purchasing power of the minimum wage the highest? If necessary, round values to the nearest cent. 
What will be an ideal response?
Expand. Assume that all variables represent positive real numbers.log4
A. 
log417 - 2 log4n - log4m
B. 9 log417 - 2 log4n - log49
C. log417 - log4n - log4m
D. 
log417 - 2 log4n - 2 log4m
Provide an appropriate response.Multiply the fractions and reduce: 
? 
A. 
B. 
C. 
D. 18x3