Answer:
9:enforcement terrorism, 10:true,11:true
The things that Sarah needs to know include the size of the pizza as well as the crowd capacity and how many slices come with each pizza. In this case, we can say that she would need at least 2 boxes of pizza for all the people in the gathering to have at least one slice or 4 to 5 boxes from them to have at least 2 slices each.
The nurse should instruct the client to not lift heavy objects, if lifting something he should have bend the body with his knees, correct his posture (poor posture causes pressure and can cause degenerated discs to become more painful), exercise the back muscles ( to provide support).