3 more. The color doesn't matter at all. It's all about the amount.
Answer:
The element you add is 
Step-by-step explanation:
The element you add is 
Remember that

So, in order to complete the square you add 
But when you multiply times
you get

Answer:
5.25 and for the second part 126
Step-by-step explanation:
trust
Answer:
(0,7) should be the answer.
I would say 110 becuz if u add all of those together u would get 100 then u find a number that will get you to 210 which would be 110 then u get 210 ..hope this helps sorry if not