Suppose the balance on Tanishas account for a 2-week period is -$100 if tanisha attended at least 1 dance class per week, how many classes could she have attended each week? Explain your reasoning

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.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

597008.439431 to the nearest thousand