Please help It’s for my final

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?

Given: ac and db are diameters. m∠3=

When a rectangle is dilated, how do the perimeter and area of the rectangle change?