this is not known in my brain i did this to post something thou
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Expressions with the same numbers and operations can have different meanings due to the use of parentheses and the order of operations. The placement of parentheses can change the grouping of numbers and alter the result of the expression. Additionally, following the rules of the order of operations (PEMDAS - Parentheses, Exponents, Multiplication and Division, Addition and Subtraction) can lead to different outcomes when evaluating expressions with the same numbers and operations.
A combination of numbers and operations is called a Numerical Expression.
That sounds like the description of an "expression", except for one detail: an expression MAY have operations, but also, it may not, since numbers and variables are themselves expressions.
I don't know what expressions you have to choose from, but the GCF of those numbers is 22.
Rational expressions are fractions and are therefore undefined if the denominator is zero; the domain of a rational function is all real numbers except those that make the denominator of the related rational expression equal to 0. If a denominator contains variables, set it equal to zero and solve.