Answer: ok?
Step-by-step explanation:
The correct answer is d.
You can start by narrowing down your answer choices by taking out a & b. Since there is a reduction your graph will have a negative slope. Then you can consider the fact that your first point will start on week 3 at 391, meaning week one would need to be a higher point than that, leaving you with d.
X+ y = 44
x - y = 6
—————
2x = 50
x = 25
y = 44-x = 19
Answer:0.0000000001 (there are 9 zeros)
Step-by-step explanation: