Let's call trade balance b, exports e and imports i.
We now construct formula.

Put in the data from last year.

U.S trade balance for that year is -690 billion dollars.
Answer:
D
Step-by-step explanation: (i know this part. its the graph im a tiny bit unsure about)
x
__ y
2 __2
3 __ 2.387
7__
3
Answer:
m=1
Step-by-step explanation:
M = -9 ; solve for m by simplifying both sides of the equation, then isolating the varible
Answer:42 dollars
Step-by-step explanation: