Using Matlab to design multiple filters to meet certain specifications

Here is the question asked:

I did the butterworth highpass filter with all of the plots asked for. here is my code:

I got the results with all of the plots asked for and they seem fine to me so my question is if I did this correct or not according to the problem. So please let me know and if I didn't do it correct please tell me what I did wrong and possibly how to fix it. Thank you!