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Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
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Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75
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*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.
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Eight cakes cost 4.00. how much do three cakes cost ?...
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