Aproduct used to have a price of $20.50. it's price was then increased by 2%. additionally, a 7% tax is added when the product is purchased. what is the total cost, including tax, of purchasing the product?

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.

3382-299=3383- ? fill in the blank?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?