is a slightly more compact way of saying
. So

Answer:
-1/2
Step-by-step explanation:
its a negative slope
equation
y= -1/2x +3
Answer: an average resulting from the multiplication of each component by a factor reflecting its importance.
Step-by-step explanation:
The answer is x=22 because you just have to add the two equations together and then solve for 8x+4=180