Brian makes a cleaning solution using a ratio of 4 cups of water to 1 cup of vinegar. Which equation could be used to find c, the number of cups of vinegar that Brian should use with 12 cups of water?

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?

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax