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Walden Book Company, Inc., doing business as Waldenbooks, was an American shopping mall-based bookstore chain and a subsidiary of Borders. The chain also ran a video game and software chain under the name Waldensoftware, as well as a children's educational toy chain under Walden Kids.
Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.
The border has been straightened out and now runs down the centre of the Meuse River. [35] The change took effect on 1 January 2018. Regions of Ukraine annexed by Russia since 2014 ( Crimea ) and 2022 ( Donetsk , Kherson , Luhansk and Zaporizhzhia ), with a red line marking the area of actual control by Russia on 30 September 2022.
Oprah's Book Club 2.0 is a book club founded June 1, 2012, by Oprah Winfrey in a joint project between OWN: The Oprah Winfrey Network and O: The Oprah Magazine. [1] The club is a re-launch of the original Oprah's Book Club , which ran for 15 years and ended in 2011, but as the "2.0" name suggests, digital media is the new focus.
The Mathcounts Competition Series spread quickly in middle schools, and today it is the best-known middle school mathematics competition. [5] In 2007, Mathcounts launched the National Math Club as a noncompetitive alternative to the Competition Series. In 2011, Mathcounts launched the Math Video Challenge Program, which was discontinued in 2023 ...
Closeness is a basic concept in topology and related areas in mathematics.Intuitively, we say two sets are close if they are arbitrarily near to each other. The concept can be defined naturally in a metric space where a notion of distance between elements of the space is defined, but it can be generalized to topological spaces where we have no concrete way to measure distances.
Book club may refer to: Book discussion club, a group of people who meet to discuss a book or books that they have read Literature circle, a group of students who meet in a classroom to discuss a book or books that they have read; Book sales club, a subscription-based method of selling and purchasing books
A border town is a town or city close to the boundary between two countries, states, or regions. Usually the term implies that the nearness to the border is one of the things the place is most famous for. With close proximities to a different country, diverse cultural traditions can have certain influence to the place.