X+5= -11
Solve the equation

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.

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

What is the simplified form of square root of 400 to the 100th power ?