Solve the following system of equations. Express your answer as an ordered pair in the format (a, b), with no spaces between the numbers or symbols. 3x+4y=16
-4x-3y=-19

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.

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)