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In experiments,participants averaged 12 or more hours of sleep a day for the first few days of unrestricted sleep.They then settled back to 7.5 to 9 hours of sleep a day.The unusually lengthy sleep time of the first few days suggests that participants began these experiments with
Factor
A number or algebraic expression that divides another number or expression evenly, with no remainder.
Trinomial
A polynomial consisting of three terms or monomials, often in the form ax^2 + bx + c.
Expression
An arrangement of numbers, symbols, and operators designed to represent a specific mathematical quantity or concept.
Factor
A number or expression that divides into another number or expression exactly, without leaving a remainder.
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