Need help with the following 6 python questions, please provide an explanation along with the python code if applicable to go along with the answer.

Question 11 (2 points) What is the load factor of the following array? -l-Immm O 0.5 O 0.4 00.6 05 Question 12 (4 points) For which of the following cases two-dimensional arrays or grids are the best way to represent the data compared to using alternative data structures (eg. trees, stacks, queues}? C] A bowl of M&Ms O A companies organizational tree 0 A chess board [3 A twodimensional maze Question 13 (2 points) Assume you have an N-Dimensional Array called myNDArr represented in the picture. What is the correct indexing to access the element given in the picture? myNdArr[1][2][0] myNdArr[0][3][1] myNdArr[3][2][1] myNdArr[1][2][3] O 2 12 2 8 10 12 10 12 Question 15 (4 points) Match each statement to the most appropriate type of collections Each node except the first has a unique predecessor and a unique successor 1. Linear Collections There is no particular order 2. Hierarchical Collections Each node can have a single predecessor and one 3. Graph Collections or more successors 4. Unordered Collections All nodes can have multiple predecessors and successors Question 16 (5 points) Which arithmetic expression represents a valid subtree of the following tree? Note: This is a Multi-Select question: Choose all that apply. n UVx-Z log (I) log (I) Or OVI