Identify the value of 2x degrees and x degrees

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

If a =6, what is the value of 2a(3b + 5c)?

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.