Solve the pair of linear equations by addition.
If there is one common solution, select the correct ordered pair of the point of intersection. If there is no one common solution, select either parallel or coincide for the correct answer.
A. 
B. 
C. 
D. The lines are parallel.
E. The lines coincide.
Answer: B
Mathematics
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Write the number in prime factored form.87
A. 3 ? 3 B. 3 ? 29 C. 3 ? 3 ? 29 D. 3 ? 27
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For the given functions f and g, find the requested composite function value.f(x) = 4x + 2, g(x) = 2x2 + 3;
Find (g ? g)(1).
A. 22 B. 26 C. 75 D. 53
Mathematics
Solve the system of equations by substitution, if a solution exists.
A. x = 
, y = 
B. x = 
, y = 
C. No solution
D. Many solutions
Mathematics
Find the range of the quadratic function.f(x) = -x2 - 2x - 1
A. (-?, -1] B. [0, ?) C. (-?, 0] D. [-1, ?)
Mathematics