Approximately 68% of a normal distribution lies within one standard deviation of the mean, so this corresponds to students with scores between 
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Which of the following is the same as 8.4 × 102 ?
2 answers:
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The lines that intersect to form square corners that are right angles are called: C. perpendicular lines.
<h3>What are Perpendicular Lines?</h3>Perpendicular lines are lines that intersect each other at a point and forms for square corners that are right angles at that point of intersection.
An example of perpendicular lines is shown in the image attached below.
Thus, the lines that meet to form right angles are called: C. perpendicular.
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