Academic help online

Hi there I am currently studying towards an engineering degree at university. Due to a recent injury i have missed many lectures and would like help with preparing for a test on Control Systems. I have attached a previous test (with answers). I would like an explanation of all the answers to the test to allow me to understand it better. Could someone please help?

All Rights Reserved,
Disclaimer: You will use the product (paper) for legal purposes only and you are not authorized to plagiarize. In addition, neither our website nor any of its affiliates and/or partners shall be liable for any unethical, inappropriate, illegal, or otherwise wrongful use of the Products and/or other written material received from the Website. This includes plagiarism, lawsuits, poor grading, expulsion, academic probation, loss of scholarships / awards / grants/ prizes / titles / positions, failure, suspension, or any other disciplinary or legal actions. Purchasers of Products from the Website are solely responsible for any and all disciplinary actions arising from the improper, unethical, and/or illegal use of such Products.