I believe it’s the first one. i’m very sorry if it’s wrong
I got the answer 18.79
I believe this is correct, Please tell me if im wrong. :)
Answer:
16
Step-by-step explanation:
4*4
Answer:
A. n = 5
Step-by-step explanation:
S = n² + n
When S = 30:
n² + n = 30
Subtract 30 from both sides: n² + n - 30 = 0
Factorize: (n - 5)(n + 6) = 0
Therefore n = 5 or -6
As n > 2, then n = 5 only
