To estimate the average annual expenses of students on books and class materials a sample of size 36 is taken. the sample mean is $850 and the sample standard deviation is $54. a 99 percent confidence interval for the population mean is

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 product of the radical expression. (7-2square root) (8+2 square root)

Which table represents a linear function? i'll give brainliest to first answer ^'^