Solve the system by the substitution method.y = x2 - 13x2 + y2 = 25
A. {(-4, 3), (4, 3)}
B. {(9, 68), (16, 243)}
C. {(-3, -4), (3, -4)}
D. {(-4, 3), (-3, -4), (3, -4), (4, 3)}
Answer: D
Mathematics
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+ 
A. 
B. 
C. 
D. 
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