Solve the system of equations by the substitution method.
A. {(2, -4)}
B. {(-4, -2)}
C. {(4, 1)}
D. {(-4, 2)}
Answer: D
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A. 224.7 mi B. 224.6 mi C. 225.6 mi D. 234.6 mi
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A. (3x - 7)2 B. (3x + 7)2 C. (3x + 7)(3x - 7) D. (9x + 1)(x - 49)
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