The expression of the subtraction in the given number model is option (c) -4-9
What is Subtraction?
Subtraction is an arithmetic operation that represents the operation of removing objects from a collection.
What is Number line?
A number line is a visual representation of numbers on a straight line that can be used to perform different arithmetic operations like addition, subtraction, multiplication, and division.
From the the given number line we can say that,
9 is subtracting from -4
Also final answer is -13
Therefore correct answer is -4-9 = -13
Hence, the expression of the subtraction in the given number model is option (c) -4-9
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