If f(x) = -x^3 + x^2 + x, find f(-2)​

About 400,000 people visited an art museum in december. what could be the exact number of people who visited the art museum?

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?

Can you simplify 4/7? 24 points will be awarded!