The radius of a circle is the distance from its center to the edge of the circle. the diameter is the length of a line segment that passes through the center and has endpoints on the edge of the circle. how are the radius and the diameter of a circle related?

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.

Mila's dog weighs 4 pounds more than 8 times the weight of keiko's dog. which expression could be used to fine te weight of mila's dog?

Why is causation so much more difficult to prove than correlation?