Use the square roots property to solve the quadratic equation (a−60)2+43=57. If there are multiple answers, list them separated by a comma, e. g. 1,2. If there is no solution, enter ∅.

70.30

step-by-step explanation:

c

step-by-step explanation:

graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

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.