Solve the problem.The Cartesian coordinates of a point are (-1, 1, 3). Find the cylindrical coordinates.
A. 
B. 
C. 
D. 
Answer: A
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Write the expression in standard form.
A. - 
B. - 
+ 
i
C. 
+ 
i
D. 
+ 
i
Solve the application problem.Mark started his morning walk by going uphill for 5 minutes. Then for the next 5 minutes, he walked downhill to an elevation lower than his starting point. For the next 10 minutes, he walked on level ground. For the final 10 minutes, he walked uphill. Which graph matches the description of Mark's walk?
A. 
B. 
C. 
D. 
Solve the problem.The number of VHS movie rentals has declined since the year 2000 due to the popularity of DVDs, as the following table shows. The exponential regression equation was found to be 
where x represents the number of years since 2000. According to the exponential model, what is the decay rate for the number of VHS rentals?
A. 1.8209 B. -8.92 C. 0.1791 D. 0.8209
Answer the question.Which number is larger?
A. 0.833 B. 0.88