[Solved] _____ refers to a form of sexual interaction that may involve pain and ritual rules,pushing sexuality to the extreme. A) Soft pornography B) Kinky sex C) Hard-core pornography D) Virtual sex E) Sexting Fraction: A mathematical concept where a number is represented as a part of a whole, expressed as a numerator divided by a denominator. Roman Numeral: A system of numerical notation that uses the letters I, V, X, L, C, D, and M to represent numbers. Exponent: A mathematical notation indicating the number of times a number (the base) is multiplied by itself. Base: A substance that accepts protons from acids according to the Brønsted-Lowry acid-base theory, or a substance that donates a pair of valence electrons to form a bond according to the Lewis definition.