Write a piecewise function for the given graph.

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.