1000 kg
1000 kilo = 1 Mega = 1 M
so
1000 kg = 1 Mg
I would solve it for B, but that's just what I think. So you would do -12 time -2 which is 24, then subtract 24 from both sides so that you would get B=-31
Answer:

Step-by-step explanation:
(a+b)(a-b)
-ab+ab-

The lowest possible fraction is 3/4 because 0.75=75/100 then you divide both terms by 25 and get 3/4
The second one is correct so its 2