What program is considered the industry standard for digital graphics and image editing?

What kind of software users of all skill levels create web pages that include graphics, video, audio, animation, and other special effects? website authoring website software website publishing website editing

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.

Which statistical function in a spreadsheet you to see how far each number varies, on average, from the average value of the list?