Somebody help me I’m literally failing.

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?

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form