Brian is playing a video game. he earns the same number of points for each star he picks up. he earned 2,400 points for 6 stars,4,000 points for 10 stars, and 5,000 points for 13 stars. what is the independent variable in this situation?

What is the solution to the inequality

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.

Could someone with number 1 and 2