What is the third quartile for 20,18,21,18,22,24,18,23,23,24

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 is the area of the triangle 10 13 12

What is the solution to the equation below? 3/x-2+6=square root x-2 +8