I believe it is 2, not 100 percent sure but I think its right
Answer:
no
Step-by-step explanation:
the sum of 4+7+9+12=32
32/4= 8
8 is not part of the sequence. Therefore its not arithmetic.
The correct answer is a
(X+1)^2 - x^2=23
X^2 + 2x + 1 -x^2 =23
2x +1 =23
2x =22
X= 11
X+1= 12
Answer:
I think its A tell me if i'm right :)
Step-by-step explanation: and B i'm not 100% sure
