Solve 1/2×2=2 please help me solve this question

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

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?

Hi my sisters and brothers can tell me the answer because i don’t understand the question