What is the image of point (4, 5) after a counterclockwise rotation of 270º about the origin?

a) (−4, −5)

b) (−5, 4)

c) (5, 4)

d) (5, −4)

What is the correlation coefficient for the data? don't forget to turn the diagnoisticon (in the catalog menu of the calculator). r = answer (round to the nearest thousandth)

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 value would be a solution for x in the inequality 47-4x< 7