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. I think A, as in age equals (-)a since you are looking for her age as in younger than her sister.

    I'm not so great at any math but just seems fairly reasonable instead of it being your choice C 7 (-)negative age

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