Can someone help me answer this

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 volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

What is 32+4 x (16 x 1/2) -2 show your work}