Answer:
-2
Step-by-step explanation:
A negative times a negative is a positive
Answer:
5x+3
Step-by-step explanation:

consider marking as Brainliest if this helped
It took them 4 days to install 480 chairs which means if they were working at a constant rate they got 120 chairs installed daily. with 360 chairs left that means in 3 days they will finish. so overall, it took the workers 7 days to finish, or a week.
6-3=3, so m=3. Easy as pie