The public library has fewer than 4000 books. let B represent the number of books in the library which inequality describes the number of books?

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.

In the diagram, gef and hef are congruent. what is the value of x

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2