What is the greatest number of unique keys a perfect B+ Tree…

What is the greatest number of unique keys a perfect B+ Tree with n=3, l=40 and height=2 (has levels 0, 1, 2) can have (Assume unique values are inserted)? Assume 0 based height. A tree with a single root node has a height = 0. n = maximum children a node can have l = maximum keys a leaf node can have

One of the leading health indicators identified in HP 2030 i…

One of the leading health indicators identified in HP 2030 is “Increase the proportion of adults who meet current minimum guidelines for aerobic physical activity and muscle-strengthening activity”.   This indicator status is based on the following recommendation for adults to stay healthy?

 15 convention presenters, who were setting up for their ses…

 15 convention presenters, who were setting up for their sessions in Annex X became ill with flu-like symptoms, on the first day of arrival.  During the course of the conference, 20 participants who attended sessions in Annex X also became ill with the same symptoms.  To begin calculating the rate of the outbreak, what factor should first be determined?