Examlex
suppose you have 30 books (15 novels, 10 history books, and 5 math books). Assume that all 30 books are different.
-In how many ways can you put the 30 books in a row on a shelf?
Major Depressive Disorder
A mental disorder identified by constant feelings of depression or a diminished interest in pursuits, notably hindering everyday life.
Severe Depression
A clinical term for a major depressive episode characterized by extreme feelings of sadness, hopelessness, and worthlessness, often impairing daily functioning.
Major Depressive Disorder
A mental health disorder characterized by a persistent and intense feeling of sadness or despair.
Uninterrupted Sleep
A period of sleep during which an individual does not experience any disruptions, leading to improved overall rest and recuperation.
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