Nora wants to find her average grade in her science class. she has earned a score of 85% on two tests, 92% on three tests, and 94% on her most recent test. what is nora’s mean, or average, test score?

Hence, Nora's mean or average score in all the test is:

90%

Step-by-step explanation:

It is given that:

Nora wants to find her average grade in her science class.

She has earned a score of 85% on two tests, 92% on three tests, and 94% on her most recent test.

That means she has given a total of 6 tests.

So, the mean score is calculated as ratio of sum of all the test to the total number of test she appeared in.

Hence, Mean is calculated as:

Hence, Nora's mean or average score in all the test is:

90%

x + 107

step-by-step explanation:

let's say that the number he had before the mistake was x. then, he will have 107 dollars more than this, so the answer is x + 107.

x

step-by-step explanation: