B - Negotiating.
This is because they are communicating, they haven't yet agreed to anything or committed to the contract as neither parties have signed, thus leading to both C and D to be incorrect.
A, however, is not exactly a term used for this situation - contracting is more of a term used to say someone contracted a disease or the flu or etc.
Therefore, B would be correct as they are indeed negotiating the terms of the contract.
Hope this helps!
Is simply the quotient from 2 ÷ 9, so each one gets 2/9 of a gallon, which is about 57 ounces of lemonade, assuming it has lemonade.
5 is 25% of ___ or 5=.25*x
so 5 divided by .25 is your answer