Answer:
We kindly invite you to read carefully the explanation detailed below for further details.
Step-by-step explanation:
At first we understand that Diego converted length and wide units from feet to inches (
) and then he divided each term by 180, since he was using a reduction scale, so that rectangular parking lot can be represented on paper. That is:
Step 1 - Unit conversion:
(
- Length)


(
- Width)


Step 2 - Applying scaling:
(
- Scaled length)


(
- Scaled width)


The answer is 5 x 4 x 3 x 2 x 1 or 5! (! = factorial)
It is a permutation, as the order matters.
There are 120 ways they can form a line.
Part A:
Answer Is (B)
Part B:
Answers are: (C and E)
Hope this helps.
Using the distributive property an equivalent expression would be 9z-54