Answer:
12
Step-by-step explanation:
Good news: they are all like terms
9x + 5x -3x -8x = 3x
-0.85, 0.25, 60, 60 2/40
hope this helps! :)
Answer:
(-1,-1)
Step-by-step explanation:
Midpoint equation: 
= 
= 
=(-1,-1)
Use the formula and plug it in :)
Answer: the answer is 12
Step-by-step explanation: