Answer: 10
Step-by-step explanation:

+ 3x + 5
-

+ 6x + 5
-----------------------------------------
4x - 3 + 0
Answer:
C(x)=25x+6000
b=2250
Step-by-step explanation:
C(x)=mx+b
m-marginal cost
x-no items
finding B
C(x)mx+b
6000=25(130)+b
b=2250
General substitution
C(x)=25x+6000
12. A full turn is 360 degrees. 360 divided by 30 is 12.
It is easier to compare a positive number and a negative number because it’s just like regular adding