Angle Q measures 30 degrees. If angle Q is rotated 15 degrees, what is the measure of angle Q'? a 30 degrees
b 45 degrees
c 150 degrees
d 180 degrees

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%

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Can someone answer this question for me