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Dahasolnce [82]
3 years ago
11

Which phrase describes an unknown or changeable quantity/

Mathematics
1 answer:
Helen [10]3 years ago
6 0
Answer:
C. 2 times the number of pages in the book

Explanation:
The number of pages of the book may vary or can change depending on the book
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(you could also multiply by 2)
to check your answer:
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(you could also divide by 2 #samething)
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Y = 7x is that a direct variation or no
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