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  2. International reply coupon - Wikipedia

    en.wikipedia.org/wiki/International_reply_coupon

    International reply coupon. An international reply coupon (IRC) is a coupon that can be exchanged for one or more postage stamps representing the minimum postage for an unregistered priority airmail letter of up to twenty grams sent to another Universal Postal Union (UPU) member country. IRCs are accepted by all UPU member countries.

  3. Coupon collector's problem - Wikipedia

    en.wikipedia.org/wiki/Coupon_collector's_problem

    In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more than t boxes need to be bought ...

  4. 8coupons - Wikipedia

    en.wikipedia.org/wiki/8coupons

    The website has a database of coupons and sales that are generated through affiliate relationships, sponsored posts from companies looking to promote their deals, and from user submissions. As of early 2010, the website included approximately 100,000 user submitted deals, 50,000 coupons from content partners, and at least 20,000 from 8coupons ...

  5. Fox News - Wikipedia

    en.wikipedia.org/wiki/Fox_News

    Fox News Go (pay-TV subscribers only) The Fox News Channel ( FNC ), commonly known as Fox News, is an American multinational conservative news and political commentary television channel and website based in New York City. [3] [4] It is owned by Fox News Media, which itself is owned by the Fox Corporation. [5]

  6. Speed of sound - Wikipedia

    en.wikipedia.org/wiki/Speed_of_sound

    The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. At 20 °C (68 °F), the speed of sound in air is about 343 m/s (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn ), or 1 km in 2.91 s or one mile in 4.69 s. It depends strongly on temperature as well as the medium through which a ...

  7. Roman dodecahedron - Wikipedia

    en.wikipedia.org/wiki/Roman_dodecahedron

    A Roman dodecahedron or Gallo-Roman dodecahedron [1] [2] is a small hollow object made of copper alloy which has been cast into a regular dodecahedral shape: twelve flat pentagonal faces. Each face has a circular hole of varying diameter in the middle, the holes connecting to the hollow center, and each corner has a protruding knob. [1]

  8. Raycom Sports - Wikipedia

    en.wikipedia.org/wiki/Raycom_Sports

    Raycom Sports is a Charlotte, North Carolina –based producer of sports television programs owned by Gray Television . It was founded in 1979 by husband and wife, Rick and Dee Ray. In the 1980s, Raycom Sports established a prominent joint venture with Jefferson-Pilot Communications which made them partners on the main Atlantic Coast Conference ...

  9. Islam by country - Wikipedia

    en.wikipedia.org/wiki/Islam_by_country

    Of the total Muslim population, 87–90% are Sunni and 10–13% are Shi'a. Most Shi'as (between 68% and 80%) live in mainly four countries: Iran, Azerbaijan, Bahrain, and Iraq. [30] Furthermore, there are concentrated Shi'a populations in Lebanon, Russia, China, Pakistan, Bangladesh and 10 sub-Saharan African countries. [31]