Please help me solve this question

(This question is 100 percent a complete question, please do not block it, thank you!)

here are 5 questions on a test. How many ways can Emilia complete her test if she wants to complete the questions: a) in any order, with no restrictions? b) from easiest to most difficult? Marking Scheme: [A:3] 1 mark for each equation a) and b) (out of 2) 1/2 mark for each calculation of a) and b) (out of 1)