B.225/20 =11.25 prr hour
a.225/20=h
It’s the third one, if not I’m sorry
Answer:
1 / 8
Step-by-step explanation:
So there are 8 marbles in all.
The probability of getting a purple is 1 / 2
The probability of getting a green is 1 / 4
1 / 2 * 1 / 4 = 1 / 8
There is a 1 / 8 chance.
The new surface area will be 9 times the old surface area.
So A or #1