Answer:
The first four terms of the sequence are-6, -2, 2 and 6
Step-by-step explanation:
The given sequence is 
In order to find the first four term of the sequence we put n =0, 1, 2 and 3.
For n =0

For n =1

For n =2

For n =3

Therefore, the first four terms of the sequence are
-6, -2, 2 and 6
X = 180 - (90 + 47)
x = 180 - 137
x = 43
answer angle x = 43
which one of them as the anwser to it means which of them is equal to them Step-by-step explanation: divid
Answer:
centroid
Step-by-step explanation: