Factor when possible.x3 + 9x2 - x - 9
A. (x + 1)(x - 1)(x - 9)
B. (x + 1)(x - 1)(x + 9)
C. (x2 + 1)(x - 9)
D. prime
Answer: B
Mathematics
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= 1 (t > 6), x(7) = 0
A. x = -ln
+ ln 
+ ln 2
B. x = ln
- ln 
+ ln 2
C. x = -ln
+ ln 
+ 2
D. x = -ln
+ 
+ ln 2
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Round the money amount to the specified place.$3999.53 to the nearest dollar
A. $4000 B. $3000 C. $3999.5 D. $4
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Solve the proportion.
= 
A. 7 B. 77 C. 14 D. 2
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For problems 4-7, use interval notation to represent the number line graph.
A. 
B. 
C. 
D. 
E. none of these
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