What is the surface area?
5 in
4 in
5 in
6 in
9 in
square inches
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the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

77

step-by-step explanation:

b. x + 1

step-by-step explanation:

i'am smart

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.