The correct syntax for a function prototype within the scope…

The correct syntax for a function prototype within the scope of a class definition that allows us to overload the stream extraction operator >> is ____.   A.  istream& operator>>(istream&, className&);   B.  const istream& operator>>(istream&, className&);   C.  friend operator>>(istream&, className&);   D.  friend istream& operator>>(istream&, className&);

Consider the following class declaration: class Circle {   …

Consider the following class declaration: class Circle {        public:        void print();        double get_area();        double get_circumference();        Circle();        Circle(double);   private:                     int radius;        }; Which of the following correctly creates and instantiates an object of this class?  (Hint: remember that we traditionally use uppercase names to refer to data types or class names and lowercase names to refer to variables or objects, respectively.)

Devin must determine the probability of flipping a fair coin…

Devin must determine the probability of flipping a fair coin and getting HHTTHT and then judge whether this probability is more, less, or equal to the probability of flipping HHHHHH with the same coin. He knows these are equal probabilities, but HHHHHH feels less probable due to: