Answer:
The second answer choice.
Step-by-step explanation:
Answer: 15
Explanation: quick maths in the brain
Answer:
8/18=4/9
Step-by-step explanation:
since it there is 1/6 for red marbles and 5/18 for blue marbles it works because it is 8*9=72 for the denominator and 4*3=12 so it is 12/72=1/6 and for blue it is 5/18 because it is 5*4=20 and 20/72=10/36=5/18 so it is 1/6+5/18=8/18=4/9
I got 7.1 x 10^(-11) but it's been a few years so I could've done it wrong