Concrete building blocks weigh 28 pounds each. Using b for the number of concrete blocks and w for the weight, write an equation that relate the two variables. Equation should begin with w = and be of the form y=kx.

for the free

< < < emily> > >

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.