Examlex
Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for to find , the 20th term of the sequence.
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Political System
The structured set of institutions, parties, and processes through which a country or organization conducts its political affairs.
Atlantic Africa
The coastal regions of Africa that were involved in the Atlantic Slave Trade, primarily West Africa, from where millions of Africans were forcibly transported to the Americas.
Ndongo
A historical African kingdom located in what is now Angola, known for its resistance against Portuguese colonization in the 16th century.
Portuguese Forces
The military organizations of Portugal, including the Army, Navy, and Air Force, responsible for the defense and security of the country.
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