Drag each expression to show whether it is equivalent to 54x + 18, 18(3x - 1), or (6 • 9x) + (6 • 1),

good job you smart son of a gun you are smarter that einstein. 7

you probably already have the answer but anyways it's b. 15.0

step-by-step explanation:

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.

6 adults and 9 children went.

a + c = 15

12a + 9c = 153

12(6) + 9(9) = 153

72 + 81 = 153