The rate for one unit of a given quantity is called a(n) Unit Rate.
(X,Y) 0=X and 0=Y if you plug in 0 for X and 0 for Y in Y=8X it will be 0=8(0). 8 times 0 is 0 which is the equation
Hey, you didn’t add the options or following expressions. Can you add them in the comments so I can try and help you out?
Box of Popcorn: $3.00
Drink: $2.00
I might be wrong, but hopefully that helped! :)