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2. Coupon - Wikipedia

   en.wikipedia.org/wiki/Coupon

   Believed to be the first coupon ever, this ticket for a free glass of Coca-Cola was first distributed in 1888 to help promote the drink. By 1913, the company had redeemed 8.5 million tickets. [6] Coca-Cola's 1888-issued "free glass of" is the earliest documented coupon. [6] [7] Coupons were mailed to potential customers and placed in magazines ...

3. Barnes & Noble - Wikipedia

   en.wikipedia.org/wiki/Barnes_&_Noble

   Barnes & Noble Booksellers is an American bookseller with the largest number of retail outlets in the United States. The company operates approximately 600 retail stores across all 50 U.S. states.

4. Butyl acetate - Wikipedia

   en.wikipedia.org/wiki/Butyl_acetate

   n-Butyl acetate is an organic compound with the formula CH 3 CO 2 (CH 2) 3 CH 3.A colorless, flammable liquid, it is the ester derived from n-butanol and acetic acid.It is found in many types of fruit, where it imparts characteristic flavors and has a sweet smell of banana or apple.

5. Binomial theorem - Wikipedia

   en.wikipedia.org/wiki/Binomial_theorem

   In elementary algebra, the binomial theorem (or binomial expansion) describes the algebraic expansion of powers of a binomial.According to the theorem, the power ⁠ (+) ⁠ expands into a polynomial with terms of the form ⁠ ⁠, where the exponents ⁠ ⁠ and ⁠ ⁠ are nonnegative integers satisfying ⁠ + = ⁠ and the coefficient ⁠ ⁠ of each term is a specific positive integer ...

6. Newton (unit) - Wikipedia

   en.wikipedia.org/wiki/Newton_(unit)

   A newton is defined as 1 kg⋅m/s 2 (it is a named derived unit defined in terms of the SI base units). [1]: 137 One newton is, therefore, the force needed to accelerate one kilogram of mass at the rate of one metre per second squared in the direction of the applied force.

7. Binomial coefficient - Wikipedia

   en.wikipedia.org/wiki/Binomial_coefficient

   The numerator gives the number of ways to select a sequence of k distinct objects, retaining the order of selection, from a set of n objects. The denominator counts the number of distinct sequences that define the same k-combination when order is disregarded. This formula can also be stated in a recursive form.