If you have 36 inch long string and cut it in nine equal pieces how long will the string pieces be

-22

times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3

3+x

step-by-step explanation:

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.