Answer:
(a+b)^2 if a©+2b
Step-by-step explanation:
i not sure
Well i know that 12x12=144 so it is 12!
Answer to one im pretty sure is 136.4 degrees and to number 2 is a parallelogram (rectangle or square) you know because the side AD is equal to BC and AB is equal to DC
The answer is a the more balls means the more chance a desired color will be chosen