Determine whether the underlined numerical value is a parameter or a statistic. explain your reasoning. upper a survey of 42 out of hundreds in a dining hall showed that modifying 40.5 %

my answer is$ 12

step-by-step explanation:

because 15 -2=12

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.