Use 2's complement to perform the following operation: * You should not have to do any subtraction if you use 2's complement correctly.

* All numbers should be written as 8-bit binary numbers

a. add -14 and 5 b. subtract -5 from -4

c. add 17 and -5

d. subtract 33 from 5

e. subtract 7 from 42

f. add 42 and 6