Use mathematical induction to solve the questions above. Pls help

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?

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so