Provide an appropriate response.Solve the equation: 6 - x = 9
A. -3
B. 3
C. -15
D. 15
Answer: A
Mathematics
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Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them.x + y = 3x - y = -2
A. x = 
, y = - 1
B. Inconsistent
C. x = 
, y = 
D. x = 
, y = 
Mathematics
Provide an appropriate response.Write the set x ? -3 or x ? 1 using interval notation.
A. (-3, 1) B. (-?, -3) ? (1, ?) C. [-3, 1] D. (-?, -3] ? [1, ?)
Mathematics
Multiply and simplify. Assume variables do not cause any denominators to equal 0.
? 
A. 
B. 
C. 
D. 
Mathematics
Graph the parabola.x = 
(y + 5)2 - 2
A. 
B. 
C. 
D. 
Mathematics