Answer:
X
Step-by-step explanation:
To evaluate a function at a given input, you have to substitute every occurrence of the variable with that particular value.
So, for the first function, you have

The name of the variable is obviously irrelelvant, so the same goes for the second function:

3x+6=3(x+2)
3x+6=3x+6
minus 6 both sides
3x=3x
divide by 3
x=x
true
therefor all numbers work for x
there are infinite soltuions
A direct relationship requires a change in the same direction of both variables, answer c.
Answer:
the answer is 92 bags.
167x11=1837
1837÷20=91.85....or 92 bags