Solve A = πr to the second power for r

Chose the graph below that represents the following system of inequality’s

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

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