Use the figure to write and solve an equation for x

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.

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

What ia the sum if the first 7 terms of the geometric series