# A student received grades of 99, 81, 86, and 81 on math quizzes. How do you find the student's average?

86.75

Divide the total number of points by the total number of points.

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To find the student's average, you add up all the grades and then divide by the total number of quizzes.

(Average = \frac{99 + 81 + 86 + 81}{4})

(Average = \frac{347}{4})

(Average = 86.75)

So, the student's average grade is 86.75.

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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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