Answer:
chapter 3,9,10 are quite hard for me
Step-by-step explanation:
Answer:

Step-by-step explanation:

Use commutative property of addition 

use associative property of addition 

Hence 
Answer:
not poisonous
Step-by-step explanation:
☠︎ X
☼ ☀︎ ☆ ⭐︎ ★ ⭐︎ ♡ ☽ ☁︎ ☁︎ ☁︎
