Solve using both the addition and multiplication properties of equality.20s + 30 = -15s
A. s = - 
B. s = 6
C. s = 
D. s = 
Answer: A
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Find the interval of convergence of the series.
A. 7 < x < 9 B. -9 < x < 9 C. x < 9 D. 7 ? x < 9
Solve the problem.Use the following graph, which shows the sales of digital music players, in millions, at a national electronics retail store for the years 2005-2012. Use the graph to represent the set in roster form.
20052006200720082009201020112012YearThe set of years included in the graph in which digital music player sales were more than 18 million.
A. {2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012} B. {0} C. { } D. {2005, 2006, 2007, 2008, 2009, 2010, 2011}
Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 29,400,000,000,000 B. 600,000 C. 29,400,000 D. 600,000,000,000
Solve the problem.Find the volume of a cylinder with radius 7 cm and height 5 cm. Use 3.14 for ?. Round your answer to the nearest tenth.
A. 417.6 cm3 B. 527.6 cm3 C. 769.3 cm3 D. 263.8 cm3