Sarah purchased $43.11 worth of coffee that sold for $23.95 per pound. How many pounds of coffee did Sarah buy?

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?

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The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.