please read the question carefully and solve the problem for me, 1 mark is actually 1% of my final mark , so every single mark is quite important for me, and i think u guys need to use maple system as...

SIT281 2013 TRIMESTER 2 ASSIGNMENT 1 Due: Friday August 23, 2013 at 12 noon (Australian Eastern Standard Time) Value: 20% of your final mark in the unit. NO EXTENSIONS allowed without medical or other certification. LATE ASSIGNMENTS will automatically lose 10% per day up to a maximum of three days, including weekends and holidays. Assignments submitted 4 or more days late will not be marked and are given zero. METHOD OF SUBMISSION: Off-campus students, e-mail to Lynn Batten at [email protected] by the due date and time. The Subject should contain the unit code, your surname and ID. Geelong and Burwood students submit hard copies to their respective instructors through assignment drop-off boxes (Building Ka, level 3 at G, building L at B). All assignments are required to have the assignment cover sheet attached, which is available at http://www.deakin.edu.au/scitech/current/ under the Assignment heading. _____________________________________________________________________ Read the following Notes before proceeding: 1. It is important that you show your working out and explain your steps. Marks are given for this. 2. Do not include extraneous Maple code in your submission. 3. Do not copy or plagiarise. Read the University position on plagiarism – it is a serious matter. People who do this are given 0 for the question. 4. One file (a single zip file containing several files does not count as one file); Number all pages of your assignment. 5. For off-campus students who email assignments in: put your name on each page; send one file (including the cover sheet) with a maximum of 750kb. 1. Simon works in a government office where encrypted messages are regularly received. He knows that an affine cipher is the standard method of encryption used by the office, and has access to the machine which encrypts. One day, when there is not much work to do, Simon decides to work out the affine function used in...