What is a hectoliter?

1,000 liters
100 grams
1/100 of a liter
100 liters

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?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Jane has 5 nickels. john has 3 dimes. jane says she has a greater amount of money. with the information given, is she correct?