What is −5 5/6÷(−4 9/10)

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

What is (28 + 7 + 6 + 3) x 1/2 show your work

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?