Respuesta :
Answer:
b. -3
Step-by-step explanation:
The common difference in an arithmetic sequence:
[tex]d=a_{n+1}-a_n[/tex]
27 - 30 = -3
24 - 27 = -3
21 - 24 = -3
18 - 21 = -3
CORRECT :)
It's constant.
Answer:
Step-by-step explanation:
The common difference in an arithmetic sequence:
[tex]d=a_{n+1}-a_n[/tex]
27 - 30 = -3
24 - 27 = -3
21 - 24 = -3
18 - 21 = -3
CORRECT :)
It's constant.