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Three of these expressions give the distance between points A and B on the number line which expression does NOT

Three of these expressions give the distance between points A and B on the number line which expression does NOT class=

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taskmasters
There of these expressions is the distance between point A and B, the answers are letter "B", letter "C" and letter "D". The solutions and explanations are shown below:
Why B?
B= |7.5+3.5 | = |7.5 - (-3.5)| = 11 units
Why C?
C =|-3.5 - 7.5| = |-11| = 11 units
Why D?
D= |7.5 - (-3.5)| = |7.5 +3.5|=|11| = 11 units

Answer:

The answer is A

Step-by-step explanation:

The reason why it's A is because that's the only expression that does not equal 11. You're welcome!