Answer:
In mathematics, a variable (from Latin variabilis, "changeable") is a symbol and placeholder for (historically) a quantity that may change, or (nowadays) any mathematical object. In particular, a variable may represent a number, a vector, a matrix, a function, the argument of a function, a set, or an element of a set.
In mathematics, the word constant can have multiple meanings. As an adjective, it refers to non-variance; as a noun, it has two different meanings: A fixed and well-defined number or other non-changing mathematical object.
Variables
1. x
2. y
3. z
4. x, and y
5. x
Constant
1. 2, 10
2. 6
3. 3, 2
4. 4, 2, 5
5. 6, 4
As it said BOX the CONSTANTS and ENCIRCLE the VARIABLES please listen to what it says.
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