Find all specified roots.Fifth roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
B. 1, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
,-1
D. -1, cis 
, cis 
, cis 
, cis 
Answer: A
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Solve.A diamond necklace normally sells for $45,657. If it is first discounted by 10% and then taxed at 9%, find the total price.
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Identify the domain and the range of the relation from the graph.
A. Domain: [-8, ?) Range: (-?, ?) B. Domain: [8, ?) Range: (-?, ?) C. Domain: (-?, ?) Range: [8, ?) D. Domain: (-?, ?) Range: [-8, ?)
Use a graphing calculator to plot the data and find the quadratic function of best fit.An engineer collects data showing the speed s of a given car model and its average miles per gallon M. Use a graphing calculator to plot the scatter diagram. What is the quadratic function of best fit?
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Solve the problem.Many states have passed laws against smoking in public places since January. The total number of 
that have passed a no smoking law, t months after January is given by the function 
How many states had passed a law in January? Round to the nearest thousandth.
A. 2.5 B. 0 C. 1.25 D. 0.25