Math question: What is the definite integral from 1 to 3 of x^2 dx?
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What is the slope of a line passing through (-3, 4) and (2, 10)?
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What is the average salary of the employees in a company, if the salaries of the 10 employees are $25,000, $30,000, $40,000, $35,000, $28,000, $32,000, $45,000, $38,000, $42,000, and $33,000?