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

Understand that a function<span> is a rule that assigns to each input exactly one output. The graph of a </span>function<span> is the set of ordered pairs consisting of an input and the corresponding output.</span>
Answer:
length: 2
width: 2
height: 2
Step-by-step explanation:
I'm assuming this is for a rectangular prism, because you didn't provide a picture.
Answer:
It's 218, since 4 rounds below 5.
Step-by-step explanation: Please brainliest!
Usually people love to travel via boat including me :). At some point you need to get off from boat.
Question is asking about what should we say when we get off from boat. There can be lots of answers for this question because there is no fixed rule to leave the boat.
You may say good bye or wish the people who are still on the boat.
In fact you are free to say anything in the world. :)