A rectangle has an area of and a length of . Find the perimeter of this rectangle.__________ cm

Most smartphones use operating systems developed by ________

A) Microsoft and Google B) Apple and Microsoft C) Symbian and Apple D) Google and Apple

How many leaf nodes are there in the candidate hash tree? How many internal nodes are there?

Consider the following set of candidate 3-itemsets: {1, 2, 3}, {1, 2, 6}, {1, 3, 4}, {2, 3, 4}, {2, 4, 5}, {3, 4, 6}, {4, 5, 6}