10 points! find an equation for the nth term of the arithmetic sequence. -1, 2, 5, 8, an = -1 + 3(n) an = -1 + 3(n - 1) an = -1 + 3 an = -1 + 3(n + 1)

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?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?