Answer: Hello, I saw another picture and i think it was A
Step-by-step explanation: Vertical Line test will determine if a graph is a function or not
Any

in this set will be real numbers that are both less than

and greater than

. But that's not possible, so this set is empty.
X/a=0.5
y/a=0.5
X+y/a
a=2
X=1
y=1
x+y=a(1)
1+y=2(1)
y=2-1
y=1
Answer:
Check the explanation
Step-by-step explanation:
US has a comparative advantage in producing rice.
This means US's opportunity cost of producing rice is less than that of Korea.
Korea's opportunity cost of producing rice will be given as:
For producing 9 units of Rice, Korea gives up 5 cars.
For producing 1 unit of rice's, Korea will give up 5/9 units of car.
Kindly check the image below.