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All these questions are numbered They are all questions about C++

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All these questions are numbered. They are all questions
about C++. If someone could answer them all and
correspond the answer with the question number that
would be awesome!!! Thanks!
1)
What is the output of the following function and function
call?
void main(){
void calculateCost(int count, float& subTotal, float
taxCost);
float tax = 0.0,
subtotal = 0.0;
calculateCost(15, subtotal,tax);
cout << \"The cost for 15 items is \" << subtotal
<< \", and the tax for \" << subtotal << \" is \" << tax <<
endl;
}
void calculateCost(int count, float& subTotal, float
taxCost)
{
if ( count < 10)
{
subTotal = count * 0.50;
}
else
{
subTotal = count * 0.20;
}
taxCost = 0.1 * subTotal;
}
A) The cost for 15 items is 3.00, and the tax for 3.00 is

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0.30;
B) The cost for 15 items is 0.00, and the tax for 3.00 is
0.00;
C) The cost for 15 items is 0.00, and the tax for 3.00 is
0.30;
D) The cost for 15 items is 3.00, and the tax for 3.00 is
0.00;
--------------------------------------------------------------------------
-------------------------------
2)
Given the following class declaration:
class Rational
{
public:
Rational();
Rational(int numer, int denom);
int getNumerator() const;
int getDenominator() const;
friend void display(ostream& out, const Rational& value);
friend bool operator(const Rational& left, const Rational&
right);
private:
int numerator;
int denominator;
//what must we add to the class in order for the following
code to compile?
Rational myRational(2,3);
if (3 < myRational)
A) We need another < operator that expects an integer as
the second parameter.
B) We need another < operator that expects an integer as
the first parameter.
C) We need a constructor that expects a ration number.
D) We need a constructor that expects an integer.
E) A or D

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All these questions are numbered. They are all questions about C++. If someone could answer them all and correspond the answer with the question number that would be awesome!!! Thanks! 1) What is the output of the following function and function call? void main(){ void calculateCost(int count, float& subTotal, float taxCost); float tax = 0.0, subtotal = 0.0; calculateCost(15, subtotal,tax); cout ...
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