True. In geometry it is sometimes helpful to group objects and look at similarities between them.
Combine
combine
combine
There are 2^35 = 34,359,738,368 possible groups: 1 group with none of the objects in it; 35 groups with 1 object in them; 595 groups with 2 objects in them; 6,545 groups with 3 objects in them; ... 6,545 groups with 32 objects in them; 595 groups with 33 objects in them; 35 groups with 34 objects in them; 1 group with all 35 objects in it.
A score is equal to 20
what is group similar objects
what is group similar objects
This is called a set.
combine
combine
Combine
trio
match
Arrange, analyze
This is a two part question. Clustering is when you group a set of objects in a way that the objects that are placed in the same group are similar. An example of clustering is the gathering of different populations based on language.
economy
Those are "concussion" instruments. They include cymbals and castanets.