Answer:
15
Step-by-step explanation:
-1-5=-6
21-6=15
Answer:
, 
Step-by-step explanation:


Here a=1, b=2 and c=8
It’s c) 1/2 because if the situation has a lot of negatives your answer should be a positive
If Eli spends $392 for 8 gigabytes of memory, then

, where g is a gigabyte of memory. All you have to do is to reduce the equation. In this case, divide both sides by 8 to get

. So the cost of 1 gigabyte of memory is $49.