You have to work out the mean. (The simple average of those numbers) Then for each number subtract the Mean and square the result. Then work out the average of those squared differences.

5 0

3 years ago

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Subtract using the number line. −4−(8)

Alja [10]

The answer is -12 because the 4 and 8 are negative

7 0

3 years ago

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one month Chris rented 2 movies and 12 video game for a total of $44. The next month he rented 5 movies and 3 video games for a

Neporo4naja [7]

If we set movies as x, video games as y

We can write the equation down below

2x + 12y = 44

5x + 3y = 29

After you solve the equation, you will find out x = 4, and y = 3

And x represents the movies, y represents video games.

Hope that helps you :D

4 0

3 years ago