Please answer with Matlab easy questions

If A is m x n, B is m x n, what is C AB? If A is m x n, B is m x n, what is C = A + 2? If A is m x n, B is m x n, what is C A 2? If A is m x n, B is m x n, what is C A B? If A is m x n, B is m x n, what is C A. B? If A is m x n, what is A? If A is m x n, what is A"? If A is m x n, what is A"? If A is m x n, what is sind(A)? If A is m x n, what is abs(A)? If A is I x m, B is m x n, what is C A B? If A is 1 x m, B is m n, what is C =A.* B? If A is 1 x m, B is m x n, what is C =A*B? If A is 2 x 3 and B is 3 x 4, what is C A B? If A is 2 x3 and B is 3 x 4, A(1,:)*B(:,1)? What command produces a column vector from last column? What command produces the identity matrix? Which command produces solution to the equation A x-b? If A is 3 x3, what is mean(A)? If A is 3 x 3, what is mean(A,2) If A is 3 x 3, what is mean(mean(A)? If A is 3 x 2, what is A()? If a is 3 x 1, b is 1 x 3, what is a b? If a is 1 x 3, b is 3 x 1, what is a b? What is lin What is 53? If x 2 1 4, y-514, what is x~-y? What is strcm What is strcmpi('eng-101', 'ENG-101)? What is 2>5 & 04) What is %% ? What is tic, toc? What does prod(1:N)? What is not a MATLAB develo What isused for in MATLAB functions? How are Private functions used in MATLAB? What is @ in MATLAB? f = @ sin, what is f(0)? 3,6,4)? 101, 'ENG-101')? t tool