What is a device that enables a spacecraft crew to exit from the spacecraft and launch tower in the event of a crisis before takeoff?
a. alternative escape strategy
b. disaster exit strategy
c. emergency escape system
d. reserve exit system

What percentage of companies is projected to use social media to locate new employees in 2012

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 we use the sumif formula (when dealing with different formats) ?