Answer:
even if the first answer is wrong? Just kidding, the first one is -9, second is 0, third is 9, and last is 18
Step-by-step explanation:
-9
0
9
18

3*boys=2*18
3*boys=36
boys=12
12+18=30
total number of students: 30
Answer:
I have the pictures of the whole answer book if you want to see them add me on disco
Step-by-step explanation:
This would be the symmetric property!
Hope this helped!
~Just a girl in love with Shawn Mendes