Solve the system of equations by using substitution. 
A. x = 0, y = 0
B. x = 10, y = 0
C. x = 10, y = 10
D. x = 0, y = 10
Answer: C
Mathematics
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Determine the most probable next term in the sequence.5, 12, 19, 26, 33
A. 39 B. 47 C. 38 D. 40
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Perform the addition. 
A. 1,677 B. 1,687 C. 1,674 D. 1,667
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Perform the indicated operation and simplify. Write the answer in the form a + bi.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
+ 
i
Mathematics
Round as indicated.19,724,419 to the nearest million
A. 19,000,000 B. 19,724,000 C. 20,000,000 D. 19,800,000
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