Shane is a salesperson. He earns an hourly wage of $8.00 per hour, plus he receives a commission of 7% on sales he makes. Write an equation which would be used to determine his weekly salary, W, where, X, is the number of hours worked, and Y, is the amount of sales for the week.

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.