Leonard brought 4 liters of orange juice. How many mililiters of juice does he have?

4+x

Step-by-step explanation:

4 and however much juice he had before. there is not enough information to answer this question with certainty.  

answer: you need the equation in the question so i can answer it

step-by-step explanation:

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.