What is -1.83333333333333+0.833333333333333 333 as a fraction?

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?

The circumference of a circle is 5 pi cm. what is the area of the circle?

For the equations below which statement is true ?