The magnitude of an earthquake is related to the relative intensity by which of the following formulas?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

1: 4 if the wew 35 surfboards at the beach how many were short boards?