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How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.
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Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
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Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.
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1 + (2)(3)(4) pls help me...
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