Solve.64x2 = 9
A. 
, - 
B. 
C. 
, - 
D. 
Answer: C
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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}
Solve the system of equations.
A. x = -3z - 5 y = z + 2 z = any real number B. inconsistent (no solution) C. x = z - 2 y = -3z - 5 z = any real number D. x = 3z + 5 y = z - 2 z = any real number
Solve the problem.A company has 50,400 employees. Of these, 
drive alone to work, 
car pool, 
use public transportation, 
cycle, and the remainder use other methods of transportation. How many employees use each method of transportation?
A. Drive alone: 12,600; car pool: 10,080; public transportation: 8400; cycle: 5040; 
B. Drive alone: 12,700; car pool: 10,080; public transportation: 8300; cycle: 5040; other: 1000
C. Drive alone: 1260; car pool: 10,080; public transportation: 8400; cycle: 5040; 
D. Drive alone: 12,600; car pool: 10,080; public transportation: 8400; cycle: 5040; 
Solve the problem.A high school graduating class is made up of 447 students. There are 195 more girls than boys. How many boys are in the class?
A. 195 boys B. 126 boys C. 321 boys D. 447 boys