System engineering | Operations Management homework help

can you do this one in 20 hours from now. You need to do 4 problems out of 5 given. If you are sure then tell me price. 

you can choose 4 questions out of 5 to do, and each of the questions has to be in one page ( 1.15 spaced) so the total is 4 pages, and i will send you the article that is has to read to answer question 2, and the exercises that we did in class for question 5, it may help you answering the question.