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OpenStudy (anonymous):
How many different variables are in this expression? 2xy + 2z - 25 A. 2 B. 3 C. 4 D. 1
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OpenStudy (anonymous):
Can't tell if it's A or B. Cause xy and in the same term
OpenStudy (thecuteone25):
It's B
OpenStudy (thecuteone25):
because variables are letters so it does not matter if they are next to each other
OpenStudy (nuttyliaczar):
When they are together like that it just means they are being multiplied
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