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Find the area of the part of the surface that lies between the planes , and .
Black Americans
A term referring to Americans with ancestry from sub-Saharan Africa.
Ethnicity
A social category characterized by shared culture, language, heritage, religion, or national origin, distinguishing members of one group from others within a society.
Racial Categorizations
The classification of people into groups based on perceived physical and genetic differences.
Cultural Characteristics
Features that distinguish one group or society from another, including language, customs, values, and artistic expression.
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