Answer:
answer is B 38-18
Step-by-step explanation:
38 + (-18)
38-18

just to clarify the engineering notation, E6 is just 1 and 6 zeros, or a million, thus, 107,000,000 is just 107E6.
Can you show the figure itself not just by describing. In that way, it's easier to solve the area of the polygon.
the answer for this would be 10,946,988.
The expression for the total amount he spent on food would be:
(4x+7) + (2x=5)