math

which algebraic expression represents tamara age if she is 7 years younger than her sister? Assume her sister's age is a.

A. a-7

B. a+7

C. 7-a

D. 7a

I think the answer is c.

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  1. Nope.

    That expression says that her sister is younger than Tamara.

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    Ms. Sue
  2. is a the answer.

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  3. Yes.

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    Ms. Sue
  4. a-7

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