PLEASE HELP I NEED ANSWER QUICK PLEEZ!! Which of the following are examples of structured data?

Select two answers.

Group of answer choices

The glossary and index in the back of a textbook

A video taken of a violent protest

Letters written by young kids to Santa asking for Christmas gifts

An address book filled with family members names and addresses

Technician a says that the radiator usually cools better if the front air dam is removed. technician b says that when a condenser has a leak it can be repaired easily with epoxy. who is correct?

What are procedures that keep a data base current

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.