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: A
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Classify the triangle as acute, right, or obtuse and classify it as equilateral, isosceles, or scalene.
A. Obtuse, scalene B. Right, scalene C. Obtuse, equilateral D. Acute, scalene
Without graphing, determine the number of solutions of the system of equations. State whether the system is consistent or inconsistent. For a system that is consistent, state whether the equations are dependent or independent.
A. one solution; consistent; independent B. one solution; consistent; dependent C. no solution; inconsistent D. infinitely many solutions; inconsistent
Use a software package to find the limit or state that it does not exist.
x sin
A. 1 B. 0 C. -1 D. Does not exist
Find the sum.-10 + (-75) + 18 + (-74)
A. 7 B. -177 C. -121 D. -141