Geometry. im giving 25 points! 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.

Guys i really need or i have to stay late up night

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?