The answer is b I hope I could help
Answer: 
<u>Step-by-step explanation:</u>
1st marble and 2nd marble

8
is the answer because8 times 8 equal 69
Answer:14
Step-by-step explanation:
1. Ratio : 2:3
2. Multiply the number of juniors by the Ratio
(2/3)(21)
3. Solve for answer
Answer: 14