Algorithm , Hello i need the correct answer with justification please

Question 14: Consider we want to execute method merge to an array of size 10, the value of lo, mid and hi are a.0, 4 and 9 respectively b.0, 5 and 10 respectively c.0, 5 and 9 respectively d.1, 5 and 9 respectively e.None of the answers Question 15: Having an array of size 16, the last merge will be executed on: a. The first (size 8) and second half (size 8) b. The last two elements (indices 14 and 15) c. The first two elements of the second half (indices 8 and 9) d.The last element of the first half and the first element of the last half (indices 7 and 8 e. None of the answers Question 16: Having an array of size 9, the first merge will be executed on: a. The first (size 4) and second half (size 5) b.The last two elements (indices 7 and 8) c. The first two elements of the second half (indices 4 and 5) d.The first two elements of the first half (indices 1 and 2) e.None of the answers