Compare mixed number factors and products for 5grade

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

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%