Answer:

Step-by-step explanation:
we know that
The area of the model is equal to the area of a rectangle
The area of a rectangle is equal to

we have


substitute

Apply distributive property

Combine like terms

Answer:
−3 x −6
Step-by-step explanation:
The Tenths place because it's the first
Yes-this is because you can start from the 7th part and then go backwards to forwards to find the letter/number/pattern you need