You are searching online for techno music that is neither European nor Dutch. In set notation, which set of music files are you searching for? Techno ∩ (European ∩ Dutch)' Techno ∩ (European ∪ Dutch)' Techno ∪ (European ∩ Dutch)' Techno ∪ (European ∪ Dutch)

Step-by-step explanation:

According to sets theory ;

Intersection ( ∩ ) - e.g (European ∩ Dutch) represents both European and    

                                     Dutch , while (European ∩ Dutch)' represents neither

                                     European nor Dutch .

Union ( ∪ ) - e.g (European ∪ Dutch) represents either  European or Dutch .

So , Techno ∩ (European ∩ Dutch)' represents  set notation of techno musics that is neither European nor Dutch .

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.