Subtract and simplify. Write the answer as a mixed number as needed.12
- 12
A. 
B. 
C. 1
D. 24
Answer: A
Mathematics
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Simplify.(mn)-7
A. m7n7
B. 
C. 
D. 
Mathematics
Solve the problem.If f(x) = -3x + 1 and g(x) = 4x2 + 3x + 8, find g(f(-7)).
A. 162 B. 2010 C. 124 D. -548
Mathematics
A nonlinear system is given, along with the graphs of both equations in the system. Determine if the points of intersection specified on the graph are solutions of the system by substituting directly into both equations.y = ln(4x + 2)y = 
A. Yes B. No
Mathematics
Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = x2 - 2x - 8 
A. Vertex: (-1, -9)
B. Vertex: (-1, -7)
C. Vertex: (1, 7)
D. Vertex: (1, -9)
Mathematics