Which of the following is the area of the special trapezoid if ac = 8, bd = 12, and the height is 8? 40 units 2 800 units 2 400 units 2 80 units 2

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?

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8