Answer:
a
Step-by-step explanation:
Answer:
B
Step-by-step explanation: B is the only reasonable answer
Answer:
Subtract 9 from each side of the equation
Step-by-step explanation:
m+9=-2
-9 -9
m=-11
The quickest way for converting small numbers like this to binary would probably be to find the closest power of 2, then add/subtract intermediate powers of 2 as needed.
Converting 8 is immediate, since it's already a power of 2:

Converting 15 and 17 is also pretty easy if you're familiar with the rules of arithmetic in binary.
