BRAINLIEST To which tree of gereedoes this movie belong Museeneis about a woman who realizes that she's actually in love with her long-time best friend only when he gets engaged to other woman with just dersler before the wedding she engages all her resources to win him over, and this leads to some very comical situations. This movie is an example of a genre.

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Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?