If you know what grade you got on each assignment, how do you calculate your overall grade? Find the score that you got most often.

Line up all the scores in order and cross out numbers until you get to the middle number.

Add up all the scores and divide by the number of assignments.

Add up all the scores and divide by 100.

Is there supposed to be a question?

Add up all the scores and divide by the number of assignments.

Step-by-step explanation:

That would be the "Mean" or the average score

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.