Answer:

Step-by-step explanation:
Since the sides of a square are equal, A = s x s so taking the square root of the square provides the length of each side
Answer: B
just make the included side equal
We would need the data of their classmates scores to complete this answer
Answer:
C 1/2
Add all the crayons together and then see how many red and black crayons there are. which in this case it's half. That is the probability