In the image, two circles are centered at A. The circle containing B was dilated to produce the circle containing B′. What is the scale factor of the dilation? A.
1

B.
2

C.
0.5

D.
-0.5

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.

Anyone know? will mark brainliest if correct!

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?