Evaluate the expression.
A. 30
B. 2!
C. 6
D. 
Answer: A
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Perform the indicated operations.(7x - 8) + (3x + 5)
A. 10x B. 10x - 3 C. 7x D. 10x2 - 3
In the indicated voting system, the weights represent, in order, voters A, B, C, and so on. Identify the dictator if there is one, and identify those voters with veto power if there are any.[15 : 1, 2, 3, 3, 4, 5]
A. Voter F is a dictator; voter F has veto power. B. No dictator; voter F has veto power. C. No dictator; voters E and F have veto power. D. Voter F is a dictator; no voters have veto power.
Use the graph to answer the question. 
What were the total sales for 2006?
A. $48,000 B. $582,000 C. $50,000 D. $764,000
The following expressions represent denominators of rational expressions. Find their LCD.r2 + 2r, 9r + 18, and r2 + 4r + 4
A. 9r(r + 2)2 B. r(r + 2)2 C. 9(r + 2) D. 9(r + 2)2