Graph the numbers on the real number line.x > -4
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Calculate 
, where R ={(x, y): 0 ? x ? 1, 0 ? y ? 1}. (Hint: This integral represents the volume of a certain solid. Calculuate its volume from elementary principles.)
A. 7.5 B. 6.5 C. 7 D. 14
Simplify the expression, and combine like terms.7(10a2 + 3ab) - a(3a - 2b)
A. 73a2 + 23ab B. 67a2 + 19ab C. 73a2 + 3ab - 2b D. 67a2 + 23ab
Solve the problem.In order to make a profit an automobile dealer must sell at least 50 vehicles a month. The dealer plans to sell x units of one model and y units of another model. This can be represented by the inequality 
Graph the inequality.
A. 
B. 
C. 
D. 
Solve the problem.Find the area of the region enclosed by y = 6x sin x and the x-axis for 0 ? x ? ?.
A. 3? B. ? C. 6? D. 12?