The top question is the one i need on (number 1)

What is a rational number between 9.5 and 9.7

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?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles