Any large random sample from a group of people will be representative of the entire group

The triangles are similar. what is the value of x? show your work.

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.

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)