It is necessary when you are getting into multiplying from the outside of parenthesis and multiplying variables inside of parenthesis.
ex: 5(3 + 3x)
5 * 3 = 15
5 * 3x = 15x
so final set up would be 15 + 15x
Answer:
Translation: 5 units right and 2 units up
Step-by-step explanation:
Answer:
there will be 19 $100 bills
and 11 $10 bills
Step-by-step explanation:

Answer: Mood
Step-by-step explanation: It would be mood because when you put it in a sentence it makes the most sense.
Example Sentence: The atmosphere of the room is sad.
The mood of the room is sad.
The other answers don't make as much sense. Hope this helps!