You can rename a chart sheet before you click OK in the ________ Chart dialog box

Answer the following questions true (T) or false (F)

1. The equality operator (==) may be used to test if two string objects contain the same value. 2. Boolean expressions are used to control branch and loop statements.

In the following code to add an edge in the LinkedDirectedGraph class, what is the missing code? def addEdge(self, fromLabel, toLabel, weight): fromVertex = self.getVertex(fromLabel) fromVertex.addEdgeTo(toVertex, weight) self.edgeCount += 1

A. self.getVertex(toLabel) = fromVertex B. fromVertex.addEdgeTo(fromVertex, weight) C. self.weight += 1 D. toVertex = self.getVertex(toLabel)