Janelle has five brothers who are 4, 6, 6, 9, and 15 years of age. what is the mean age of janelle's brothers?

If hot water is not available in the ware washing sink, food establishments can still serve food using

Anne is 60 years old and rather frail. she fractured her forearm while playing with her grandson. that was two months ago, but her arm is still in a sling. which disease is she likely suffering from?

The first step in treating water from a river or lake is usually