Answer:
The correct answer is B!
Step-by-step explanation:
A20-a18=a1+19d-a1-17d=2d =281-97
so
d=92
Answer:
Step-by-step explanation
6n - 6 = 2 (n+1)
Simplify 2 (n+1)
6n - 6= 2n +2
Move all terms related to n to the left side of the equation
4n -6 =2
Move all terms not related to n to the right side of the equation
4n =8
Divide each term by 4 then simplify
n=2
