Solve the system of equations by Gaussian elimination.
A. {(4, 3, -1)}
B. {(-1, 3, 4)}
C. {(-1, 4, 3)}
D. ?
Answer: B
Mathematics
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MonthWhat were the total sales for the first 6 months of 2009?
A. $366,000 B. $290,000 C. $240,000 D. $46,000
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State the degree and leading coefficient of the polynomial function.f(x) = -4(x + 9)2(x - 9)2
A. Degree: 2; leading coefficient: 1 B. Degree: 2; leading coefficient: -4 C. Degree: 4; leading coefficient: -4 D. Degree: 4; leading coefficient: 1
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Determine the measure of the interior angle at vertex A.
A. 180° B. 120° C. 90° D. 200°
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Between 2000-2020 the percentage of Americans over age 65 will decrease by approximately seven percent.
Answer the following statement true (T) or false (F)
Mathematics