After eating at your favorite restaurant, you know that the bill before tax is $52.60 and that the sales tax rate is 8% you decide to leave a 20% tip for the waiter based on the pre-tax amount. How much will the total bill be, including tax and tip? Show your work to support your answers. use an equation.

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585