If you got 88% out of 26 questions how many did you get right

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

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%