# Anna is 6 more than twice Courtney's age. Courtney is c years old. Which equation can be used to find Anna's age, a, in years?

We cannot "find" Anna's age, however we can define it as

In which A stands for Anna's age

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(a = 2c + 6)

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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