1. firewood is often sold by the cord. a cord of wood is a bundle measuring 4 feet by 4 feet by 8 feet. what's the volume of a cord of wood in cubic feet?

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?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)