Answer:
O A. 4
Step-by-step explanation:
11 to 7 = 4
7 to 3 = 4
3 to -1 = 4
-1 to 5 = 4
Common difference = 4
It is A
If you look at it ecch one is moving by 4. -
5+4= -1
-1+4=3
7+4=11
2,158,621 = 2 (i think)
1/2 + 1/2 + 2/3 + 3/4 + 47/48 + 48/49 +49/50 = 5.35542517007
This decimal form is ≈ to 5 2/5
