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Solve the problem.
-In an arithmetic sequence, find the first term if the 11 th term is 18 and the difference is .
Working-Class People
Individuals who perform manual labor or are employed in low-wage jobs, often characterized by economic and social position.
Upper-Class People
Individuals or groups that occupy the highest social and economic positions in a society.
Leisure Time
Periods of time free from work or duties, during which individuals can pursue activities they enjoy for relaxation or pleasure.
Recreation
Activities or experiences chosen freely for enjoyment, relaxation, or other personal satisfaction, often distinct from work or daily obligations.
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