What would be displayed after line 6 runs?
```
1 vector
2 vNums.push_back(10);
3 vNums.push_back(5);
4 vNums.push_back(15);
5 vNums.push_back(25);
6 cout << vNums.size();
7 vNums.pop_back();
8 cout << vNums.at(2);
9 vNums.pop_back();
10 vNums.pop_back();
11 vNums.pop_back();```
A. 0
B. true
C. 4
D. 3
C
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A(n) ____________________ ordering of the vertices of the accompanying graph is 0, 1, 3, 4, 2, 5, 7, 8, 6, 9.
Fill in the blank(s) with the appropriate word(s).
The tasks or action steps that come before the specific task at hand are called ____________________.
Fill in the blank(s) with the appropriate word(s).
The icon in the top red box of the accompanying figure indicates that the font is ______________.
Fill in the blank(s) with the appropriate word(s).