Use the Gauss-Jordan method to solve the system of equations. 2x - 3y = 7 8x - 12y = -8
A. (4, 4)
B. 
C. (7, -8)
D. No solution
Answer: D
Mathematics
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
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Graph the inequality.0 ? x ? 4
A.
B.
C.
D. 
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Sketch the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 
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Solve the problem.A cylinder is to have a height that is 14 feet less than the radius. Write an expression for the volume of the cylinder in terms of the radius
A. ? r3 - 196? r2 B. ? r3 + 14? r2 C. 2? r2 - 28? r D. ? r3 - 14? r2
Mathematics