please help the following four question

1.[6 marks] Using the minimum required number of bits addition in 2's complement notation, solve 29 15 = x by preserving addition. Show the relevant process for deriving the final decimal number. Again, using a non-proportional font will make lining up the numbers easier.

2.[4 marks] Refer to the ASCII Code table in the Englander text Chapter 4 (Figure 4.3 p.106 5TH ed.) and decode the ASCII (hex) message below:

456E6372797074696F6E204973204B65793B3029 decoded is:

3. [5 marks] On average, a typical page of text holds roughly 2000 characters. Approximately how many pages of standard UNICODE text can a storage media with 2 Gigabyte of free space hold? Describe clearly each step in the process of unit conversions and calculations required for full marks.

4.[2 marks] The MP3 audio format is described as "almost CD quality". What characteristic of MP3 makes this description accurate?