How do I find the value of x when the diagram isn’t up to scale?

If a =6, what is the value of 2a(3b + 5c)?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

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