Ayuda por favor es para una tarea!!

Find |−5|. a. −5 b. 5 c. one-fifth d. –one-fifth !

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.

Solve the triangle. a = 21°, c = 105°, c = 5