answers -
a) -6
b) 4
c) -2
d) 8
please help , i'm trying to understand what i'm learning but anybody!!
![answers a 6 b 4 c 2 d 8 please help im trying to understand what im learning but anybody class=](https://us-static.z-dn.net/files/d7e/f6172e1749bd6e5eca6059871930210f.png)