Step-by-step explanation:
AB=28 !... .......hope this helps..
Answer: D
Step-by-step explanation: I said D because it's bigger than every other thing
Answer:
30 more students
Step-by-step explanation:
690 + 30 = 720
720 / 9 = 80
If

then we also have

Pairing up the terms, we can find that


consists of
terms, so there are
copies of
in the sum
. Then we find an immediate closed form for the sum:

Answer: i think it’s 6
Step-by-step explanation: