Answer: 120
Step-by-step explanation:
Math
With 21 marbles in the bag, and 9 of them green, her chances are 9/21 that she will pull a green marble. If you reduce 9/21 you get 3/7 which is the way the answer should be expressed (in lowest terms)
Answer Probability of green = 3/7

Select the two binomials that are factors of this trinomial.


We got the factors as :

and

