Using a commen denominator to order fractions

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 expression is equivalent to log3(x+4)

Find the nonpermissible replacement for binthis expression.b2/5b +5