A swimming pool is to be drained. The pool is shaped like a rectangular prism with length 28 ft, width 22 ft, and depth 5 ft. Suppose water is pumped out of the pool at a rate of 280 ft per hour. If the pool starts completely full, how many hours does it take to empty the pool?

Earth's atmosphere is unique among the planets and is able to support life because it contains a large amount of a) oxygen b) helium c) methane d) carbon dioxide

Which food would provide you with the most calcium?

Panthers and leopards prey on deer in an ecosystem. for unknown reasons, the population of leopards increased drastically. what are the likely effects of this change on the species? 1. more food for panthers and more competition for leopards 2. less food and more competition for panthers 3. fewer deer and more competition for panthers 4. more food for deer and less competition for panthers and leopards 5. more food for leopards and less competition for panthers