Pls answer if you show your work ill give brainliest

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.

In the diagram of circle a what is m

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?