Write a program that takes a 2-dimensional list (you can define it in your program--you don't have to prompt the user for input), and verify that it is, in fact, a magic square. have at least one list that is a magic square and one that is not. make sure that each number is only used once, and that all of the sums add up to 15.

What a backup plan that you have created in a event you encounter a situation

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.

Select the correct answer. andy received a potentially infected email that was advertising products. andy is at risk of which type of security threat? a. spoofing b. sniffing c. spamming d. phishing e. typo-squatting