In order to determine which option is an expression, we need to understand what an expression is. In mathematics, an expression is a combination of values, variables, and operators, which, when simplified, can evaluate to a single value.
Without specific options to choose from, it is not possible to provide a direct answer. However, examples of expressions could include numerical calculations such as "3 + 4", algebraic expressions like "2x + 5", or simple formulas like "A = πr²".
If you provide the options or a specific context, I can assist you in identifying the expression among them.
Which of the following is an expression?
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