Factor out the greatest common factor. Simplify the factors, if possible.15wx - 12wy - 9wz
A. 3w(5x - 12wy - 9wz)
B. 3w(5x - 4y - 3z)
C. 3(5wx - 4wy - 3wz)
D. 15w(x - 12y - 9z)
Answer: B
Mathematics
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Solve by completing the square to obtain exact solutions.x2 = 9 - 4x
A. -1 ± 
B. -2 ± 
C. 2 + 
D. -2 ± 2
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Simplify the complex number to its rectangular form.9j - 
A. 9 + 2j B. 11j C. -2 + 9j D. 7j
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.
A. 
B. 
C. 15
D. 
Mathematics
Graph 
and 
on the number line. Label each point using the decimal equivalent of the fraction.
?
A. 
B. 
C. 
D. 
Mathematics