Solve: #1 : 8 1/5+(4 2/5+ 3 3/10). #2: 2 1/10+ (1 2/7+4 9/10)

What is a rational number between 9.5 and 9.7

In the rectangle below ac=30 units what is de

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?