the length of a wrench is inversely proportional to the amount of force needed to loosen a bolt . a wrench 6 in long requires a force of 240 lb to loosen a rust bolt. how much force would be required to loosen the same bolt using a 10 in wrench

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a

18.8cm hope i at all

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.