What is the value of the variable named result after the following code executes? var X = 5; var Y = 3; var Z = 2; var result = X + Y / Z * X;

4. what is the reason for including the following code snippet in the header file animal. h? #ifndef animal_h #define animal_h class animal { public: animal(); animal(double new_area_hunt); void birth(); void hunt(double new_area_hunt); void death(); double get_area_hunt() const; private: double area_hunt; }; #endif