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Decagon work on the size of the exterior angle? Please help. 3x^3-x^2-5x+7=0(mod 11),
find all possible x.? Find the sum of the first 9 terms of the sequence. Show all work PLEASEEE 2, -7, -16, -25, ...? Describe how rechargeable batteries are both voltaic and electrolytic cells? Examples of the effect of chirality on smell?