The sum of the elements of an integer-valued array recursively calculated as follows:
The sum of an array of size 0 is 0; Otherwise, the sum of the first n elements of an array is the sum of the last of these added to the sum of the previous n-1 elements. Write an int method named sum that accepts an integer array, and the number of elements in the array and returns the sum of the elements of the array.

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.

While preforming before operation pmcs, you notice the front right tire appears slightly under-inflated. what is the proper action?

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