Given:
Minni is arranging 3 different music CDs in a row on a shelf.
To find:
The sample space for the arrangement of a jazz CD (J), a pop CD (P), and a rock CD (R).
Solution:
We know that the total number of ways to arrange n items is n!.
Minni is arranging 3 different music CDs in a row on a shelf. So, the total number of ways is:


The sample space for the arrangement of a jazz CD (J), a pop CD (P), and a rock CD (R) is:
{JPR, JRP, PJR, PRJ, RJP, RPJ}
Therefore, the required sample space is {JPR, JRP, PJR, PRJ, RJP, RPJ}.
Children = .65 * people
people = 520 / .65
800 people were in attendance
Answer:
c.

Step-by-step explanation:
a.

b.

c.

d.

You could also replace x for 8 in every equation and see if both sides give the same answer
Answer:
D
Step-by-step explanation:
It shows 2x + 1 on the top and x + 2 on the left