the ratio of the lengths of (ef/bc) and (ad/ih) is 2: 1.
step-by-step explanation:
Answer from: Quest
-7
step-by-step explanation:
x^2 + 18x + 74 = (x + 9)^2 - 81 + 74
= (x + 9)^2 - 7.
so q = -7.
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