FREE POINT AND BRAINLIEST SO WHO EVER ANSWERS FIRT THEY GET BRAINLIEST AND ALSO 100 POINTS

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 kind of bond pays interest which is exempt from tax?

What are “like terms”? why can we only add like terms?