Darren bought 45 oz of flour for his bakery. He used 12.5 oz to make a loaf of bread, and 0.81 oz for each muffin. How many muffins did Darren make if he had 21.97 oz of flour left over?

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

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step-by-step explanatio89