) 4. Suppose the path of the ball in Example 4 is f(x) = -0.25(x - 1)2 + 6.25. Find the ball's initial and maximum heights.

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?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Is there an x intercept in the equation 60*1.15^x