Answer:
B
Step-by-step explanation:
I believe the correct answer is 6.4.
Answer:
50
Step-by-step explanation:
n (n + 1) = 2550
n^2 + n = 2550
n = 50
n + 1 = 51
Answer:
D
Explanation:
I'm just typing this part to get to 20 characters
Yes, because there are common factors in the equation. therefore showing you can group