how can I attempt these questions and make reference to cases and/or statutory provisions where relevant?

1. Explain the doctrine of separation of powers. What happens if only one arm of the government exercises legislative, executive and judicial roles?
2. When Charles initially inspected a property in Bundoora Square, he was impressed by the in-built air-conditioning throughout the factory; the large refrigerated room at the rear of the factory; the polished timber floor boards in the offices; the pot plants outside near the entrance of the factory; the portable outdoor seating ;and BBQ set on the lawn in the back garden of the factory. When he again inspects the property on the morning of the day of settlement, he is alarmed to discover that all of these items have been removed by the seller. Can Charles insist that any of these items be included in the sale?
3. Explain how can an employer be liable for the wrongs committed by their employees?
4. It is said that rescission is an equitable and discretionary remedy. Explain what this means to you and discuss circumstances under which rescission may be lost?