Quickly! i suck at the word with the definition: 1. devices, such as parentheses, brackets, and fraction bars, used to set apart an expression that should be simplified before other operations are performed 2. an expression that consists of numbers, operations, and sometimes grouping symbol. 3. the order in which operations must be computed when more than one operation is involve. 4. a number representing how many times the base number should be multiplied by itself. 5. a symbol that represents a value that can change. 6. a single number or variable, or numbers and variables multiplied together. 7. the numerical factor in a term. a number being multiplied by a variable. 8. a number on its own, it has a fixed value. 9. a combination of variables, numbers, and operations. 10. you replace, or substitute, all the variables with numbers and then simplify. 11. a statement that the values of two math expressions are equal (indicated by the sign =). 12. the relation between two expressions that are not equal, employing a sign such as ≠ “not equal to,” > “greater than,” or < “less than.”. 13. the symbol of a math operation. plus, minus, times, divided by, equals 14. an equation or inequality containing one or more variable. vocab variable equation evaluate order of operations operator open sentence coefficient inequality exponent (power) variable expression grouping symbol numerical expression term constant