Simplify 4 Square root6/ Square root30. By rationalizing the denominator. Show your work

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

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%

10% of 1,900,000. show me how you got the answer