Rotate the triangle through 180 degrees around the origin (I need a image of the rotation please)

Which fraction below is equivalent to 10/12?

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?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?