Select the two expressions that are equivalent to each other. A. -7/-3

B. three divided by negative 7

C. 3/7

D. (-7) ÷ 3

E. 7/-3

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 of the following points is collinear with (-2,1) and (0,3)

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided