The seasonal sale on winter wear is 15% off. what is the cost of a coat on sale if its original price was $400?

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?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

If a is a nonzero real number then the reciprocal of a is