Answer:
3
Step-by-step explanation:
Set it up as
8n = 24
n = 24/8
n = 3
whats your question? I can't see what you need
im not sure but i got 30.1
B. 45
do 12×12 which is 144 then Davide it by 2 because it's a triangle then do 9×3 which is 27 then subtract that from 72 and you get 45.
