Factor.15m9 + 21m6 + 18m2
A. m2(15m7 + 21m4 + 18)
B. -3m2(5m7 - 7m4 - 6)
C. 3(5m9 + 7m6 + 6m2)
D. 3m2(5m7 + 7m4 + 6)
Answer: D
Mathematics
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Write the number in ordinary notation.5.677 × 10-5
A. 0.00005677 B. 0.000005677 C. 0.0005677 D. -567,700
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Use a grapher to graph the function.Two signals are seen on an oscilloscope as being at right angles. The equations for the displacement of these signals are 
Graph the figure that appears on the oscilloscope.
A. 
B. 
C. 
D. 
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Simplify.
A. 20 B. 60 C. 10 D. 120
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Use the quadratic formula to solve the equation.z2 + 10z + 3 = 0
A. -5 ± 
B. 5 ± 
C. -10 + 
D. 5 + 
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