What is m∠G and what fact can be used to justify your answer? A.68°; Vertical Angles
B.68°; Corresponding Angles
C.112°; Alternate Exterior Angles
D.112°; Corresponding Angles

Can someone me with my hwplz(only the circled ones)

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%

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?