What is the version number for mysql returned from port 3306

1)consider the following code snippet: #ifndef book_h#define book_hconst double max_cost = 1000.0; class book{public: book(); book(double new_cost); void set_cost(double new_cost); double get_cost() const; private: double cost; }; double calculate_terms(book bk); #endifwhich of the following is correct? a)the header file is correct as given.b)the definition of max_cost should be removed since header files should not contain constants.c)the definition of book should be removed since header files should not contain class definitions.d)the body of the calculate_terms function should be added to the header file.

How do you take a green screen out of the video while editing?

Aman travel 200m towards east< br /> from his house then takes left< br /> to turn and moves 200 m north< br /> find the displacement & distance.< br />