Answer:
aligning items in columns and rows, allowing developers to easily control the rendering and appearance of large layouts and whole pages meant for the desktop, tablet, and smartphone displays.
Explanation:
Note that with |x|, the value x will always be positive when simplified. This means that:
B) |-3.5|, |4.2|, |-9| is your answer, because it becomes, 3.5, 4.2, 9
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