Some e-businesses that generate revenue from advertising charge____ fees for certain premium services.

If a chart is inserted on the same worksheet where the data lives, it is ________ on the worksheet

A) embedded B) a chart sheet C) wrapped D) integrated

(The Circle class) Implement the relational operators < in the Circle class in Listing 9.5 to order the Circle objects according to their radii.

``` class Circle { public: Circle(); Circle(double); double getArea(); double getRadius(); void setRadius(double); private: double radius; }; ```