Write sin(arcsin 2x + arccos x) as an algebraic expression of x that does not involve trigonometric functions.​

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 m 17 27 90 63 ** picture is attached

Find dy/dx using implicit differentiation ln(20+e^xy)=y