Question: Calculate the value of 3x² + 5x + 2 when x = -2 using the distributive property.
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What is the average score of a class consisting of 25 students, given that the mean score of 12 students is 75 and the mean score of the remaining 13 students is 85?
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Math question: Prove that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent.