Answer:
-4x-13
Step-by-step explanation:
To figure out the sum, you have to add like terms.
This is how it would look like:

Answer: 42
Step-by-step explanation:
If they are in parentheses, you are going to multiply them, and when you multiply two negatives, you make a positive. which gives you 42.
Answer:
graph c
Step-by-step explanation:
Convert feet to inches 3 feet=36 inches.
8*36=288 inches squared
Answer:
Step-by-step explanation: