Can you help me on how to apply the terms of contract on these question

1.The additional delivery note comments added to a Mr delivery order to double wrap the food delivery .

2. Rabia rents her laptop to Terence for a period of 12 months .

3.Abigail agrees to start paying rent to her parents from the date of her 20th birthday .

4.The purchase price of a Samsung machine .

5.the employment contract between Alex and legal Eagles Advice office states that Alex will commence employment on 1 June 2021.