What is 0.4^-2 (0.4 to the power of -2)?

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.

How do you do the foil method with polynomials?

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?