Respuesta :

babangamon

Step-by-step explanation:

(3)

3 - 8 = -5

-2 - 3 = -5

so, I think the common difference is - 5

(4)

7² - 1

7² + 1

= 49 - 1

49 + 1

= 48

50

23

25

And that's the answer I think.

BRAINLIEST again would be advantageous❤︎