Learning about different problem solving strategies and when to use them will give you a good start. Problem solving is a process. Most strategies provide steps that help you identify the problem and choose the best solution. There are two basic types of strategies: algorithmic and heuristic.
It should be 'No vacancies' (plural). Vacant means empty/free. Vacancy is the state of being empty, therefore 'no vacancies' = no empty rooms.
No Pass, No Play. The school rule known as âNo Pass/No Playâ is designed to motivate high school students to pass every class, or be barred from school-sponsored extracurricular activities. âNo passâ means no football, no drama, no nothing, for students with failing grades.