What is the number of distinct permutations that can be formed from all the letters of the word california? in the supplied answer choices, ! denotes factorial.

Consider the following code snippet: #ifndef cashregister_h#define cashregister_hconst double max_balance = 6000000.0; class cashregister{public: cashregister(); cashregister(double new_balance); void set_balance(double new_balance); double get_balance() const; private: double balance[12]; }; double get_monthly_balance(cashregister bk, int month); #endifwhich of the following is correct? a)the header file is correct as given.b)the definition of max_balance should be removed since header files should not contain constants.c)the definition of cashregister should be removed since header files should not contain class definitions.d)the body of the get_monthly_balance function should be added to the header file.

Alcohol’s affects on the cornea and lens of the eye make it more difficult

Need fast im timed in a paragraph of 125 words, explain at least three ways that engineers explore possible solutions in their projects.