What is the first answer to the first question

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

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?