Answer:
3:2
Step-by-step explanation:
girls: boys
18 : 12
Divide each side by 6
18/6 : 12/6
3 : 2
Answer:
Standard form: 
Leading coefficient: 1
Step-by-step explanation:

The leading coefficient is 1 because the leading term is
.
The second one is the only equivalent equation. Simply plug in each variable in each equation. And compare!
Answer:
yes,yes,yes,no :) hope it helps
Step-by-step explanation:
Answer:
ok I will help
Step-by-step explanation: