Can someone please help me

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.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Landon wrote that 3−2.6=4. which statement about his answer is true?