Answer:
y = x-2
Step-by-step explanation:
Because y is always 2 less than x the second equation is correct.
5 = 7-2
6 = 8-2
And so on.
1/9 = 5/45 2/15 = 6/45
9: 9, 18, 27, 36, 45
15: 15, 30, 45
475 is the answer. hope that helped