Solve the following quadratic equation using the quadratic formula. which of the following expressions gives the numerators of the solutions?

10x2 - 19x + 6 = 0

-19 ± 11
19 ± 11
19 ± 12

4+6x-3x^3 in standard form with explanations because i don’t understand

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12