N: This is the sum the numbers in a set, divided by the number of items in the set
e: For example, this of the set (2,4,6,8,10) is equal to (2+4+6+8+10)/5 = 6.

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.