Use the Pythagorean theorem /look at the picture/
? = x
156 is even or odd number
Even number, it is divisible by 2
Answer:
x=1
Step-by-step explanation:
3(6x-2)=-2(4x-9)+2
3(6x-2): 18x-6
-2(4x-9)+2: -8x+20
18x-6=-8x+20
18x-6+6=-8x+20+6
18x=-8x+26
18x+8x=-8x+26+8x
26x=26
26x/26=26/26
x=1
ANSWER

EXPLANATION
The general term for the sequence is

To find the 55th term, we have to substitute

in to the general term and simplify.
This implies that,




Therefore the 55th term is 161.