Answer:
The given expression
Step-by-step explanation:
Here, the given expression is: 
Now, starting from the outer most bracket.
As we know :

and 
⇒ 

Hence, the given expression
Answer:If it has 4 equal sides
If the angles are 90°
Hope this may helps you
Answer: I think it' s A, possibly
Answer:
0.004, 4%, 1/4, 4/9.
Explanation:
Answer: 5 pack
Step-by-step explanation:
From the question, we are informed that Sebastian bought a 30-pack of mechanical pencils and plans to give his friends an equal number of pencils to the 6 friends.
Therefore, each friend will get:
= 30 / 6
= 5 packs