Solve the equation by the method of your choice. Simplify irrational solutions, if possible.x2 + 18x + 66 = 0
A. {-18 ± 
}
B. {-9 ± 
}
C. {9 ± 
}
D. {9 ± 
}
Answer: B
Mathematics
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Solve the equation.3.5 = 
A. 31.5 B. 11.5 C. 12.5 D. 30.5
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If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.(-1)2/3
A. -1
B. 0
C. 1
D. - 
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Graph the line described.through (6, 4); m = 0
A. 
B. 
C. 
D. 
Mathematics
Use a graphing calculator to find the sum of the geometric sequence. Round answer to two decimal places, if necessary.
A. 69 B. 240 C. -732 D. -2460
Mathematics