Answer:
Explanation:
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Explana
D. 79,646
l = 18
w = 9
x = 6 (A)
We plug y = x^2 - 5x + 3 into 5x + y = 39 and we have
5x + x^2 - 5x + 3 = 39
-> x^2 = 36
-> x = 6