How many feet in a mile

17 in long 1.3 ft wide and 8in high what is the volume

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%

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?