Solve the equations by finding the exact solution.
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What will be an ideal response?
Mathematics
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations.4x+ y- 
z=42
x- 2z=15x- 4y=1
A. (-6, 3, -5) B. (13, 3, -6) C. (9, 2, -6) D. (13, 20, -9)
Mathematics
Find the identical expression for the following.
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A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify. (Assume all variables are nonzero.)
A. 1
B. 0
C. 4
D. 
Mathematics