Asurvey was conducted with s students. 30% of those surveyed said that they have traveled out of the country. of the students who have never been out of the country, 40 students want to eventually travel to another country. write an algebraic expression that represents the students who never want to travel to another country

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.