Answer:
b.
Step-by-step explanation:
The middle section is n(n+1)
The top row is n+2
The bottom row is 2n+1
So the rule for the total number of tiles will be the sum of the above rules...
s(n)=n(n+1)+n+2+2n+1
s(n)=n^2+n+n+2+2n+1
s(n)=n^2+4n+3
Answer:
I think it would be A
Step-by-step explanation:
Answer:
you would be 37 dollars in debt.
Step-by-step explanation:
If you already are 25 dollars in debt and borrow 12 more dollars you would add that 12 dollars to your already 25 dollar in debt which would mean you would be 37 dollars in debt.
Answer:
tha
Step-by-step explanation:
