Solve the problem.The number of DVDs (in thousands) sold by a leading retailer has been decreasing due to the introduction of online streaming services.
Let S be the number (in thousands) of DVDs sold t years since the year 2013. A model of the situation is 
Predict the number of DVDs that will be sold in the year 2020.
A. 1000
B. 10
C. 100
D. 10,000
Answer: D
Mathematics
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Solve the problem. Round amounts of money to the nearest cent.A 19-kilometer roadway under construction is being completed at a pace of one-tenth of its length per week. After 3 weeks, how many meters remain to be completed?
A. 13.3 m B. 13,300 m C. 133 m D. 1330 m
Mathematics
Solve the system of linear equations. x + 5y = 10 2x + 6y = 12
A. (0, 2) B. (-2, 0) C. No solutions D. (1, 1)
Mathematics
Match the correct viewing rectangle dimensions with the figure. 
A. [-8, 10, 2] by [-2, 16, 2] B. [-2, 16, 2] by [-2, 16, 2] C. [-2, 16, 2] by [-8, 10, 2] D. [-20, 10, 2] by [-20, 10, 2]
Mathematics
Eliminate the parameter t in the following:
?
?
What will be an ideal response?
Mathematics