Can you anwser these C++ questions for me thanks, please make sure they are right.

1) When parameters are passed between the calling code and the called function, parameters and arguments are matched by:

a. their relative positions in the parameter and argument lists b.they are not matched up at all c.their names d. their data types

2)

In the function declaration shown, the mechanism used to call this function is known as:

double pow(double base, double exp);

a. pass by name b. pass by name c. call by name d. pass by value

3) What is the value of choice after the following statements?

void getChoice(int& par_choice, in par_count);

int choice, count=3;

getChoice(choice, count);

void getChoice(int& par_choice, in par_count)

{

if(par_count<0)

par_choice =0;

if(par_count = 0)

par_choice=-1;

else

par_choice=99;

return;

}

a.-1 b. 99 c. 3 d. 0