Chapter R.1, Problem 54PE

8- please help in placing answer as an ordered pair. The solution I received earlier is x=-16, does this mean (-16,0)?

what is a mathematical statement that two expressions are equal called ?

The Bureau of Labor Statistics keeps track of occupational injuries in various categories. In a recent year, there were 4600 fatal injuries among wage and salary workers, but only 1044 fatal injuries among self-employed workers.  Does this mean that the risk of an injury-causing death is greater for wage and salary workers than self-employed? 1A - Yes -No - Can't say.  1B. Explain your choice