Solve the system using a graphing calculator capable of performing row operations. Give solutions with values correct to the nearest thousandth.
x - 0.9y + z = -8
x - y + 2z = 
6.2x + 16y - 5z = 
A. {(4.729, 7.426, 3.652)}
B. {(3.628, 5.029, 3.719)}
C. {(-4.259, 3.107, 2.517)}
D. {(-5.072, 3.306, 3.760)}
Answer: D
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for ?.
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Use a special product formula to simplify.(6w + 11m)(11m - 6w)
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Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
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