Answer:
A. add 81; 
Step-by-step explanation:
The perfect square formula

Rewrite expression
as follows:

So, to form a perfect square,
is missed.
When we add
we will get

Answer:
5. ○ 
4. ○ 
3. ○ 
2. ○ 
1. ○ 
Step-by-step explanation:
5. 
4. 
3. 
2. 
1. 
I am joyous to assist you anytime.
Answer:60 balloons
Step-by-step explanation: 0.80 times 75 is 60 and 125- 65 is 60
I’m pretty sure the answer is -1
Plus 16 on both side and negative 12plus 16 is 4 so x equals 4