Answer:
9
Step-by-step explanation:
6n = n² - 27
n² - 6n - 27 = 0
n² - 9n + 3n - 27 = 0
n(n - 9) + 3(n - 9) = 0
(n - 9)(n + 3) = 0
n = -3, 9
ANSWER


EXPLANATION
The given sequence is;
-34,-21,-8,5,....
The first term of the sequence is

The common difference is


The recursive definition is given by;


for n=2,3,4,...
Coefficient of 14x is 14
Coefficientis the number in front of the letter. For example, coeffient of 2b is 2. When there is no number in front of the letter the coefficient is 1.
I'm sorry but I know the answer is deffinetly c or d
I don't know the second on but the first is pint