James ate 4/5 of his banana and Eric ate 7/9 of his banana. Who ate more of their banana?

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

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%

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2