The ratio of blue cards to green cards is 2 to 5. there are 8 blue cards. complete the diagram and explain how you can find the number of green cards.

Step-by-step explanation:

Let

x------> the number of blue cards

y-----> the number of green cards

we know that

isolate the variable y

-----> equation A

we have

substitute the value of x in the equation A to find the value of y

other answer is correct. i had used the radius of the radius somehow. a website:

i believe that the answer is

b. y-1=-2(x-4)

hope this !