Find the solution of this system of equations. Separate the x- and y-values with a comma.
x + 10y = -18
x - y = 4

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 graph represents the equation y =4x

Need asap. solve for the following inequality