Answer:
ansure safe and healthful working conditions for workers by setting and enforcing standards and by providing training, outreach, education and assistance.
Explanation:
The equal opportunity Act of 1972 strengthened the Equal Employment Opportunity Commission by
- issuing guidelines for employer conduct.
- mandating specific record keeping procedures.
<h3>What is the Equal Employment Opportunity Act?</h3>
This is the act of the government that helps to ensure that all employers treat people of the US in all befitting ways regardless of their genders, race and skin.
The act talked against discrimination, it upheld compensation and the work condition of employees.
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Answer:
They should operate Mine 1 for 1 hour and Mine 2 for 3 hours to meet the contractual obligations and minimize cost.
Explanation:
The formulation of the linear programming is:
Objective function:

Restrictions:
- High-grade ore: 
- Medium-grade ore: 
- Low-grade ore: 
- No negative hours: 
We start graphing the restrictions in a M1-M2 plane.
In the figure attached, we have the feasible region, where all the restrictions are validated, and the four points of intersection of 2 restrictions.
In one of this four points lies the minimum cost.
Graphically, we can graph the cost function over this feasible region, with different cost levels. When the line cost intersects one of the four points with the lowest level of cost, this is the optimum combination.
(NOTE: it is best to start with a low guessing of the cost and going up until it reaches one point in the feasible region).
The solution is for the point (M1=1, M2=3), with a cost of C=$680.
The cost function graph is attached.