Help needed with Linear Programming!

[alexandra.vo]

I've got some questions that I need checking? Is anyone able to check them for me plz!

For this question I got D as my answer.

 

[Romsek]

d is correct

 

[alexandra.vo]

Are you able to check this question for me plz

 

[Romsek]

a) is correct

 

[alexandra.vo]

Great! Sorry just the last questions if you could check for me! Thanks so much!

 

[Romsek]

a is correct

b is incorrect

c is correct

 

[alexandra.vo]

Ok thankyou

 

[alexandra.vo]

Sorry to bother u last question, I got B as my answer for the one I got incorrect. Is it correct?

 

[Romsek]

yes