Use the residual plot to analyze the result of the correlation

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?

Find the value of the variable and the length of each secant segment.

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20