Question

Question 1(Multiple Choice Worth 1 points)

Answer 1

Answer:

The corresponding tree diagram can be seen below.

Step-by-step explanation:

We are given that,

Annie wants to arrange her Science (S), English (E) and Math (M) textbooks in a row on a shelf.

Now, it is required to arrange three books in a row on the shelf.

Thus, the possible number of ways to arrange three books = 3! = 6

Thus, the corresponding tree diagram can be seen below.

Answer 2

I believe it would look like this 
       


                ---------E --------M
               /
           S/----------M----------E
          /
        /
      /             -----------S--------------M
    /              /
  /              /
/---------E /
\               \
 \              ----------------M-------------S
   \
    \
      \         /-------------------M-------------S
        \     /
         M/
            \
             \----------------------S------------E