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The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?
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What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)
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Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.
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Least to greatest 5, -2, -1, 2...
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