C. abc, cab...keep in mind the commutative property...u can move things around and it will not change the end result....abc = cab = bca = bac = cba...
Answer:

Step-by-step explanation:
we have

step 1
Group terms that contain the same variable, and move the constant to the opposite side of the equation

step 2
Factor the leading coefficient

step 3
Complete the square. Remember to balance the equation by adding the same constants to each side


step 4
Rewrite as perfect squares

20 > x + 7
Imagine the inequality sign is an at least sign
Answer: 720
Step-by-step explanation:
This is permutations.
To find all of the possible choices, you will have the number of seats with the mathematical exclamation mark after that number.
5 + you = 6 people
6! = 720
You and your 5 friends can sit in your seats 720 different ways.