Answer:
a
Step-by-step explanation:
the length is what will tell you
#6 would be 15/7
#7 would be 4/90
#8 would be 17/12
i can't see number 9
#11 would be 65/15 or 4.3333333
31 + 34
no
one x should only have one y for it to be a function
