Please help me out please

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.

What point is the projection of q on a) r b) s c) t

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?