Answer:
y is 90
Step-by-step explanation:
The y/x is proportional per point (x,y) since this is a direct variation.
That is ,
.
Cross multiply:

Simplify:

Divide both sides by -3


The sequence is the Fibonacci sequence!
It works like this.
1+2=3
2+3=5
3+5=8
5+8=13
8+13=21
and so on.
Answer:
I think it is B.
Step-by-step explanation:
Hope this helps.