Question 1 A function prototype must include all but one of the following. Which one is it? a. a return type b.a semicolon c. a name d. names for any parameters Question 2 A global variable is a variable that's defined a. within a header file b.within any block of code c. within any function d. outside of any function Question 5 Code Example 7-1 double calculate_hypoteflyse (double side_a, double side_b) + double hypotenuse - sqrt((side_a side_a) + (side_b side_b)); return hypotenuse: (Refer to Code Example 7-1.) Which of these statements could you use to call the calculate_hypotenuse function? a double hypotenuse - calculate_hypotenuse (5.6, 8.4): b.cout