I have no idea how to do this and it’s due tomorrow

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?

When only separate discreet points are graphed it is called?

What’s -11-33k and factor each expression completely