What other ones work? Trying to find the ones that do not work!
PLEASE HELP ASAP

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30