Various systems work together to form a ? ?

You are a carpet installer and need to lay carpet for a room that measures 11 feet by 18 feet.how much carpet do you need to complete the job?

Recycled water is best used for a) drinking b) bathing c) lawns d) dishes e) laundry

Everyone has felt some level of depression but not everyone has suffered from major depression. explain the difference between the two and give two symptoms of when depression is more that just feeling down.