Answer:
Just guessing here but would the bottom be 4,8,12,16,20 maybe since it is going by 4 then you do the same for the top since it is going by 3
Step-by-step explanation:
Okay I'm a little lost because of the . next to the 2 but if they are separate your answers would be
3x+6x=yx (x=0)
c+5+11=12+7 (x=x=−y+c+5+<span>
</span>