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2. Hockey-stick identity - Wikipedia

   en.wikipedia.org/wiki/Hockey-stick_identity

   Pascal's triangle, rows 0 through 7. The hockey stick identity confirms, for example: for n =6, r =2: 1+3+6+10+15=35. In combinatorics , the hockey-stick identity , [ 1 ] Christmas stocking identity , [ 2 ] boomerang identity , Fermat's identity or Chu's Theorem , [ 3 ] states that if n ≥ r ≥ 0 {\displaystyle n\geq r\geq 0} are integers, then

3. Pascal's rule - Wikipedia

   en.wikipedia.org/wiki/Pascal's_rule

   In mathematics, Pascal's rule (or Pascal's formula) is a combinatorial identity about binomial coefficients.It states that for positive natural numbers n and k, + = (), where () is a binomial coefficient; one interpretation of the coefficient of the x k term in the expansion of (1 + x) n.

4. Lids (store) - Wikipedia

   en.wikipedia.org/wiki/Lids_(store)

   Lids Corp. was founded in Boston by Douglass Karp (son of real estate developer Stephen R. Karp) and Ben Fischman (son of real estate developer Steven Fischman) in 1993. [3] [4] Hat World, Inc. was founded in 1995 by George Berger, Glenn Campbell and Scott Molander, with its headquarters office in Sioux Falls, SD.

5. Ice hockey stick - Wikipedia

   en.wikipedia.org/wiki/Ice_hockey_stick

   An ice hockey stick is a piece of equipment used in ice hockey to shoot, pass, and carry the puck across the ice. Ice hockey sticks are approximately 150–200 cm long, composed of a long, slender shaft with a flat extension at one end called the blade. National Hockey League (NHL) sticks are up to 63 inches (160 cm) long. [1]

6. eBay - Wikipedia

   en.wikipedia.org/wiki/EBay

   eBay office in Toronto, Canada. eBay Inc. (/ ˈ iː b eɪ / EE-bay, often stylized as ebay or Ebay) is an American multinational e-commerce company based in San Jose, California, that allows users to buy or view items via retail sales through online marketplaces and websites in 190 markets worldwide.

7. AOL Mail

   mail.aol.com/m

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!