Can someone me with this question?

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?

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges