PLEASE HELP ME I appreciate the help

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 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%