Answer:
Following are the solution to this question:
Step-by-step explanation:
Using formula:

In question (1):

In point a:

In point b:


In question (2):

In point a:

In point b:


The 3 question is incomplete, that's why it can't be solved.
X + 12 = n
N is 5 more than twelve so add 5 to 12 and you get 17.
The answer I believe is the third choice.
3, -2, -7, -12
These all fit into f(n)-5=f(n+1)
Answer:
you can fit 1000 hairs in 10 cm
Step-by-step explanation:

