OK, I'll give tips on absolute value.
No matter what type of number it is it always equals to a positive number.
ex: |-3| = 3, |15| = 15
Hope this help :( P.S. Sorry if its sloppy.
Here's an example: If you have -9 and it asks for the absolute value of it, it means the opposite. The absolute value of -9 is positive 9.
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