Richard, an engineer, supervises the construction of a new mountainside roadway. When the road collapses in a landslide due to faulty grading, Richard is sued by motorists and hikers injured in the collapse. As a professional, Richard is held to the same standard of care as .a. ordinary persons.
b. other engineers.
c. other professionals, including doctors, dentists, and lawyers.
d. those injured in the collapse of the bridge.

Other Engineers

Explanation:

Richard can be sued by motorist in the event of the collapse of the road which he supervised construction, and the case would be considered with the already established engineering standards. The engineer standard directs that during construction or fabrication in engineering, the engineer should give little or no allowance for failure, because failure can lead to serious injuries or loss of life.

answer; the correct answer should be (demonstrations); good luck

u = 30

continuing your method

= +

subtract from both sides

= - thus

= -

= ⇒ u = 30