Here is another math question 7/9 times 3/4

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%

In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth

Find the solution of each of the following.