ordered pair {Ans: a pair of numbers (x,y) that locate a point on the coordinate plane}volume {Ans: the amount of space occupied by an object}least common multiple (LCM) {Ans: the smallest number, other than zero, that is a multiple of two or more given numbers}percent {Ans: a ratio that compares a number to 100, per 100}range {Ans: measure of spread; subtract the lowest number from the highest number}algebraic expression {Ans: an expression that contains 1 or more variables and operation symbols}