C. expression because any expression or equation may contain more than one variable
Answer from: Quest
both equations and proportions are better.
Answer from: Quest
i dont know men
step-by-step explanation:
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Mathematics, 20.06.2019 18:04
Pls urgent max amount of points will be given and pls do not answer if unsure or you will be reported by me and brainliest answer gets the brainliest .. thing so yeh