Which of the following math statements contain variable(s)? Check all that apply.
A. 9 - 1 = 8
B. 9 - ____ = 8
C. 9 - 1 = x
D. x - ____ = 8

Respuesta :

since variables are unknown numbers: b c d have variables

The answer would be B,C, and D because they are unknown numbers which would be converted into a variable