Choose the set of numbers with an average of 45. A) 30, 40, 50, 60
B) 20, 40, 60
C) 20, 30, 40, 50, 80, 80

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?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

In angle pqr find the measure of