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Please help!!

Which item uses a variable to represent an unknown?
A. Aisle 4G
B. A B-grade
C. Office 16D
D. S students are in Social Studies class.

Respuesta :

Answer:

i could  be wrong but B

Step-by-step explanation:

SikeBrehh

I assume it's D

S shows a variable you need to find to find how many students are in Social Studies class.

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