Simplest form w^3-w(w^2+2w-1)+2w

What is the percent of increase for a population that changed from 438,000 to 561,000

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 the measure of the smallest angle in the diagram? 15 29 32 45