Sarah was just elected jr. class president. she would like to find out which percentage of the total vote each ca recevedi which bype of graph should she reference? a. pie b. line c. bar d. none of these

Which cultural aspect does this type of song best portray? a german polka dance

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)?

It is not necessary to develop strategies to separate good information and bad information on the internet. true or false