Solve the system by the addition method.y = x2 + 4y = -x2 + 6

A. {(1, 5), (1, -5), (-1, 5), (-1, -5)}
B. {(5, 1), (5, -1)}
C. {(1, 5), (1, -5)}
D. {(1, 5), (-1, 5)}


Answer: D

Mathematics

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?
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What will be an ideal response?

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Write the word phrase as an algebraic expression. Use x to represent the unknown number in the phrase.the sum of 16 and triple a number, divided by the sum of the number and 7

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