Raj will use the least common denominator to add ; and What is the least common denominator of the fractions?
16
24
36
48

60

step-by-step explanation:

i think it might be a but you might want a second opinion

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.

it would be 3 ÷by 6 because the number on each side