Y is the right answer to this question.
Answer:400
Step-by-step explanation: if everyone hand shakes every other person the answer will be 400, because 20 times 20 is 400
hope I helped.
Answer:
Step-by-step explanation
2xy² +8y
= 2y (xy+8)
Just see what is the maximum common numbers u can find
The answer is equal the lengths change when a shape is dilated but the ratio of it does not