Solve the system of equations by graphing the equations on the same set of axes.
A. (-1, 5)
B. (4, -7)
C. (0, 7)
D. (1, -5)
Answer: A
Mathematics
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Multiply or divide, as indicated. Simplify the answer.
? 
A. 5 B. -5 C. 5i D. -5i
Mathematics
Use this graph to answer each question. Big "D" Sales 1989-1990 
MonthWhat was the total increase in sales for the first 6 months from 1989 to 1990?
A. $652,000 B. $18,000 C. $76,000 D. $12,000
Mathematics
Solve the problem.Which of the following vectors is parallel to v = -10i - 8j?
A. w = 20i + 16j B. w = -20i + 25j C. w = 4i + 4j D. w = 3i - 5j
Mathematics
Simplify. If an expression does not represent a real number, state this.
A. 3 B. 5 C. 9 D. ±3
Mathematics