Question 8 1 point saved which line in the following

Question 8 (1 point)
Saved
Which line in the following program will cause a compiler
error? The kline numbers are not part of the program.
1 #include <iostream>

2 using namespace std;
3
4 int main( )
5 {
6 const double rate = 7.50;
7 double cost;
8 cost = 2 * rate;
9 rate = 10.25;
10 cout << cost << endl;
11 system ("PAUSE");
12 return 0;
13 }
Question 9 (1 point)
Saved
You want the user to enter the quantity and amount from
the keyboard. Which cin statement is correctly written?

cin >> quantity >> amount>> endl;
Question 10 (1 point)
Saved
This manipulator causes the field to be left-justified with
padding spaces printed to the right.