Can you guys please help me, I kinda forgot how to do them

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?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps