Answer:
The y-coordinate = 25
Explanation:
8x + 9 = x^2 + 4x + 13
x^2 - 4x + 4 = 0
(x - 2)^2 = 0
x - 2 = 0
x = 2
y = 8(2) + 9
y = 16 + 9
y = 25
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