James is running on a trail that is 5/4 of a mile long. so far he has run 2/3 of the trail. how many miles has he run so far?

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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Suppose medical records indicate that the length of newborn babies (in inches) is normally distributed with a mean of 20 and a standard deviation of 2.6. find the probability that a given infant is between 14.8 and 25.2 inches long.