Solve the system by the substitution method.x + y = 10y = x2 - 8x + 16
A. {(6, 4), (1, 9)}
B. {(-6, 16), (-1, 11)}
C. {(6, 16), (1, 9)}
D. {(4, 6)}
Answer: A
Mathematics
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Using the variable x, write the interval using set-builder notation.
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A. - 
B. 
C. - 
D. 
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