Order the numbers from least to greatest

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%

Find the area of the unshaded square

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6