I dare everyone to repost this.

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

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.

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?