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  2. Pennsylvania Collegiate Athletic Association - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Collegiate...

    The Pennsylvania Collegiate Athletic Association ( PCAA) was an athletic conference established in 1972 in the Commonwealth of Pennsylvania as a partnership between the Eastern Pennsylvania Athletic Association (EPCC) and Western Pennsylvania Athletic Association (WPCC). [1] The conference was established for two-year institutions.

  3. Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Main_Page

    It was formed approximately 4.5 billion years ago, is a terrestrial planet and is the second smallest of the Solar System 's planets with a diameter of 6,779 km (4,212 mi). A Martian solar day ( sol) is 24.5 hours and a Martian solar year is 1.88 Earth years (687 Earth days). Mars has two small and irregular natural satellites: Phobos and Deimos.

  4. Transmountain Early College High School - Wikipedia

    en.wikipedia.org/wiki/Transmountain_Early...

    Website. www .episd .org /tmechs. Transmountain Early College High School, commonly referred to as TMECHS, is the Early College High School for the El Paso Independent School District. [2] TMECHS participates in the STEM School program, and through collaboration with EPCC, allows students to take courses at its Transmountain Campus and receive ...

  5. Blackboard - Wikipedia

    en.wikipedia.org/wiki/Blackboard

    Uses. Reusable writing surface on which text or drawings are made. A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.

  6. Blackboard Wars - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Wars

    Network. Oprah Winfrey Network. Release. February 16. ( 2013-02-16) –. March 23, 2013. ( 2013-03-23) Blackboard Wars is an American reality documentary television series on the Oprah Winfrey Network that premiered on February 16, 2013, at 9/8c.

  7. Murder on the Blackboard - Wikipedia

    en.wikipedia.org/wiki/Murder_on_the_Blackboard

    Language. English. Murder on the Blackboard is a 1934 American pre-Code mystery / comedy film starring Edna May Oliver as schoolteacher Hildegarde Withers and James Gleason as Police Inspector Oscar Piper. Together, they investigate a murder at Withers' school. It was based on the novel of the same name by Stuart Palmer.

  8. Plus and minus signs - Wikipedia

    en.wikipedia.org/wiki/Plus_and_minus_signs

    The plus sign ( +) and the minus sign ( −) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition, which results in a sum, while − represents subtraction, resulting in a difference. [1] Their use has been extended to many other meanings, more or less analogous.

  9. Engineering, procurement, and construction - Wikipedia

    en.wikipedia.org/wiki/Engineering,_procurement...

    Various abbreviations used for this type of contract are LSTK for lump sum turn key, EPIC for engineering, procurement, installation & commissioning and EPCC for engineering, procurement, construction and commissioning. [citation needed] Use of EPIC is common, e.g., by FIDIC and most Persian Gulf countries.