You can make 8 triangles from this shape.
Answer:
Option D is correct.

Step-by-step explanation:
The sequence is in the form of :

where
represents the First term.
represents the Second term.
represents the Third term.
represents the Fourth term and so on.....
we have to calculate the
in the given sequence:
Given the sequence:

Therefore, the third term 
Answer:
-19. Cant be -6 as its to the right. the others are positive.
Answer:
you hgave a 2 and you use 5 and you have to add it and it will be 12 and your answer is 15
Step-by-step explanation: