Solve the System by Substitution

question 123

Multiple Choice

Solve the system by substitution. Substitute the expression in the second equation into the first equation and solve. If the lines coincide, answer dependent . If the lines are parallel, answer no solution .

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Definitions:

Average Productivity

The total output of a production process divided by the number of units of input, measuring efficiency in using inputs to produce outputs.

Noncompeting Groups

Collections of workers who do not compete with each other for employment because the skill and training of the workers in one group are substantially different from those of the workers in other groups.

Geographic Immobility

Refers to the inability or reluctance of labor force or resources to move from one location to another, often due to economic, social, or personal factors.

Compensating Differences

Wage differentials that are paid to workers to offset the undesirable aspects of a job or to compensate for risks associated with the job.