At Market Street Middle School, the teacher to student ratio is 3 to 85. If there are 340 students enrolled at the school, how many teachers are there at the school?

Find |−5|. a. −5 b. 5 c. one-fifth d. –one-fifth !

When the ball has traveled a distance of

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%