Which of the following is NOT a default placeholder on a notes master or handout master?

How many times will the following loop display "Hello world!"?

for (int i = 0; i < 20; i++) cout << "Hello world!" << endl; a. 20 b. 19 c. 21 d. an infinite number of times

Assume the function AdvertisingRatio is a pure virtual function. Which prototype would a programmer use in the class declaration for the class Media?

A. void virtual AdvertisingRatio() = 0; B. virtual void AdvertisingRatio() C. virtual void AdvertisingRatio() = 0; D. void Media::AdvertisingRatio() = 0;