[(p^q)^r] is equivalent to [p^ (q^r)] pls show explanation​

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

Aspeed limit sign that says "night" indicates the legal speed between sunset and sunrise.

Type the correct answer in the box. spell all words correctly. what is the default margin width on all four sides of a document? by default, the document has a margin on all four sides.