Somebody to please tackle this questions! Ensure your explanations are valid and well understandable.

1. Determine the value of n given a knapsack that has been formed from the weights of the super-increasing series {1, 2, 4, 9, 20, and 38} whose weight is 23 units.

2. Given a set {1, 2, 3, 9, 10, and 24}, is it true that it is super-increasing?

3. Describe the systems that uses timestamps as an expiration date.

4. Determine the system that uses the interface of a trusted third party.

5. Determine the language used where there is no existence of DFA.

6. Determine the truth value in the statement that states that all the language that is preserved in all the steps in the elimination of epsilon transitions from NFA.

7. Determine in polar form the function f(z)=z+1/z.

8. A curve formed by iz3+z2-z+i=0 encloses area A. Find the area?

9. Determine the representation of the variance of a random variable X.

10. Determine the mean of P(1) = P(3) in a Poisson distribution.