Meh pls what is the equation, in point-slope form, for a line that goes through (8, −4) and has a slope of −56 ? y+4=−56(x+8)y−4=−56(x+8)y−4=−56(x−8 )y+4=−56(x−8)

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?