Subtract the
terms from each other, then the
terms, then the ones without any
whatsoever.

First, we'll subtract
from 

Result: 
Next, we'll subtract
from 

Result: 
Finally, we'll subtract
from 

Result: 
Now, we can add these 3 results together.
First, we had
, then
, and finally
.
Thus, our subtraction of

equals

I think answer should be d. Please give me brainlest I hope this helps
Answer:
#1 false
#2 true
Step-by-step explanation:
18+30=48
48+40=88
88+40=128
128+50=178
Thats all i found so far in the pattern
30,40,40,50
then it drops
by 140 then adds by 30..
I dont know how else to explain it