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Which expression represents 92 decreased by an unknown number?

A.
92 ÷ z

B.
92 + z

C.
92 z

D.
92 – z

User Rinav
by
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2 Answers

3 votes
D.92-z because you are subtracting which is decreasing 
User Thomas Upton
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0 votes
D shows 92 decreased by an unknown number
the unknown number is replaced by a variable. In this equation the variable is Z.
User Harden Rahul
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