2.) Given a Matrix A = [1,2,3;4,5,6;7,8,9), B = [2,4,6;8,10,12;14,16,18]. Answer the following questions: 3.) Given the above two matrices, what commands would allow you to take the bottom row of Matrix B and store this as the top row of Matrix A? 6.) What commands would allow you to create a random 2by2 matrix C and store this into the bottom corner of Matrix B