is a langue of symbols, including variables. a variable is a symbol, usually a letter, used to represent a number. the expression .

are combinations of variables, numbers, and least on operation.

of a figuure is the number of square units needed to cover a surface you can use a formula to find the area of a rectangle.

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Question	Answer
algebra	is a langue of symbols, including variables. a variable is a symbol, usually a letter, used to represent a number. the expression .
algebraic expression	are combinations of variables, numbers, and least on operation.
area	of a figuure is the number of square units needed to cover a surface you can use a formula to find the area of a rectangle.