It's C promise me it's C.
Answer:
None. There can't be any dirt in it because it's a hole.
Step-by-step explanation:
Answer:
Step-by-step explanation:
the first one is 9 and the third one is -3 so you minus 9 and you get zero but then you have to get -3 so you minus another 3 and then you get 12 the different is 12
Answer:

Step-by-step explanation:
Given


Required
The explicit formula
First, calculate 
Set n=2; So:


Substitute -25 for 


Calculate the common difference (d)



So, the nth term is:


Open bracket

Collect like terms

