I was able to solve the first question but I'm stuck after. Can someone help me with the second one and then I'll try to solve the others. I scanned my sheet in pdf format in the attachment for easy viewing.
Follow Math Help Forum on Facebook and Google+
The answers to the first three are: $\displaystyle 0,~-3,~\&~12$. You do the last three.
I got 11, 1 and 19 for the last three.
I solved it, the last three are 11, -1 and 11. I was able to figure out the rules by the answer you gave me above. Thanks for your help.