There are eight hamsters at crazy peds pet shop that are completely brown. the rest of the hamsters at the shop or mixed colors. the eight brown hamsters represent 2/5 of the total numbers of hamsters at the pet shop

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.