Answer:

D.Variable po

Step-by-step explanation:

A variable is a symbol used to represent a number

Answer:

Variable

Step-by-step explanation:

A variable is a symbol used to represent a number. In the expression 8x + 17, x is the variable. In the equation = 25, y is the variable. Variables need not be letters; for example, the expression 6 + 2 contains the variable .