Erica makes $2850 per month in salary selling used cars. She sold $125,000 worth of cars last month. If she gets paid a 4% commission, how much money did she earn last month (commission plus salary)?

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.

might be the correct answer will be question number 2