Use fraction strips to find difference. write your answer in simplest form 1/2-1/3

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%

Evaluate the expression. (9 + 5)(3 + 2)0

2/3(-6y+9x) expand each expression using the distributive property