In arithmetic, variables look like

letters

Step-by-step explanation:

The right answer is letters

Arithmetic is a branch of mathematics that studies the numbers and the properties with them. The main properties are addition, subtraction, multiplication and division. Variables are non-constant values, so we use letters to assign a number to a variable and the operator that allows us to do this is =. For instance, if we have the variable x, we can say that this variable is equal to 4. Then:

x=4

Suppose the value of the variable changes to 5, then the new value of it is given by:

x=5

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answer: all the values are within because it has a pattern that repeats from -6 to 4.

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