Answer:

Step-by-step explanation:
Given


Required
Solve
Substitute 9 for x in 


Remove bracket




Simplify fraction

The answer for this question is C
Answer:
i'm pretty sure its 36
Step-by-step explanation:
Answer:
B : a 20% increase in variable costs
Step-by-step explanation:
Here the industry is seeing a 20% increase in activity levels over the fourth quarter. Since, there has been an increase in activity levels the fixed cost would remain the same but the variable cost being variable would increase with increase in production activity in same proportion as the increase in production.
B : a 20% increase in variable costs
Step-by-step explanation:
2(2x + 1) = 3(x - 4)
4x+2=3x-12
4x-3x=--12-2
x=14