A hyperbola has its center at (0,0), a vertex of (0,31), and an asymptote of y= 31/28 x. find the equation that describes the hyperbola

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4