Based on the clue 'a people of the pacific northwest their language o...', what is the answer?

Based on the clue 'a pentad is a group of this many', what is the answer? Based on the clue 'a pentadecagon is a polygon with this many sides', what is the answer? Based on the clue 'a pentagonal traffic sign with the point at the to...', what is the answer? Based on the clue 'a people got this name now also used for a type of...', what is the answer? Based on the clue 'a peppermint stick is made with creme de cacao lig...', what is the answer? What is associated with: a perambulator or pram to the brits it was invented in 1733 by william kent for the duke of de… Based on the clue 'a perceived snub or act of contempt', what is the answer? What is referred to by 'a perch platter'?