Toner is powder made of plastic resin particles and organic compounds bound to iron oxide

What is stored in x after execution of the following code segment?

int x = 5; for (int c = 0; c < 5; c++) for (int d = 0; d < 3; d++) x = x + 1; a) 13 b) 15 c) 20 d) 29

Select all that apply. Which of the following can be used as pointers?

a. array names b. numeric constants c. keywords d. None of these