That he forgot the x in 2x after he did the problem and put it in the simplified form
Answer:
Possible outcomes=12



Step-by-step explanation:
We can see these two events are independent as Regina replaced marble after drawing one marble.
We can find possible outcomes by adding number of blue, red and yellow marbles.

Let us find probability of getting a blue marble on first draw.

Now we will find probability of getting yellow marble.

We can find probability of getting a blue marble and then yellow marble by multiplying both probabilities.

Therefore, probability of getting a blue marble and then yellow marble is
.
Answer:
id.k if is a -1 in the beginning i think it’s 0 but i’m not sure so
Answer: 115:2
Step-by-step explanation:
115 is the miles per 2 hours