Each term differs by -68 and the first term is -68, we have:

As an expession it's just -68n.
I think the answer is B Mean or median because there is no outlier.
Answer:
Step-by-step explanation:
b it is b just do what u think is right because i think u can do it no matter what
Answer:
6x² + 15
6
Step-by-step explanation:
Let the number be x.
"the square of a number"
x²
"the product of 6 and the square of a number"
6x²
"the product of 6 and the square of a number plus 15"
6x² + 15
The coefficient is the number that multiplies the variable, so it is 6.